diff --git a/package.json b/package.json
index e567a5f9..6850647c 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "build": "webpack"
   },
   "author": "Fluence Labs",
-  "license": "MIT",
+  "license": "Apache 2.0",
   "dependencies": {
     "async": "3.2.0",
     "base64-js": "1.3.1",
diff --git a/src/address.ts b/src/address.ts
index bb2bca6b..1461baad 100644
--- a/src/address.ts
+++ b/src/address.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import * as PeerId from "peer-id";
diff --git a/src/fluence.ts b/src/fluence.ts
index 5e151a47..061dd770 100644
--- a/src/fluence.ts
+++ b/src/fluence.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import * as PeerInfo from "peer-info";
diff --git a/src/fluence_client.ts b/src/fluence_client.ts
index 14c16f97..c50326c7 100644
--- a/src/fluence_client.ts
+++ b/src/fluence_client.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import {Address, createRelayAddress, ProtocolType} from "./address";
diff --git a/src/fluence_connection.ts b/src/fluence_connection.ts
index e4deebaf..94aa6e0b 100644
--- a/src/fluence_connection.ts
+++ b/src/fluence_connection.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import {Address} from "./address";
diff --git a/src/function_call.ts b/src/function_call.ts
index 9ba80443..2ceff534 100644
--- a/src/function_call.ts
+++ b/src/function_call.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import {
diff --git a/src/services.ts b/src/services.ts
index 5ed4e691..c4e54e0d 100644
--- a/src/services.ts
+++ b/src/services.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import {FunctionCall} from "./function_call";
diff --git a/src/subscriptions.ts b/src/subscriptions.ts
index 55b8c1f3..f6c85b6b 100644
--- a/src/subscriptions.ts
+++ b/src/subscriptions.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import {FunctionCall} from "./function_call";
diff --git a/types/ipfs-only-hash/index.d.ts b/types/ipfs-only-hash/index.d.ts
index 308ff75c..99e49e00 100644
--- a/types/ipfs-only-hash/index.d.ts
+++ b/types/ipfs-only-hash/index.d.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 declare module 'ipfs-only-hash' {
diff --git a/types/it-length-prefixed/index.d.ts b/types/it-length-prefixed/index.d.ts
index d8f5e571..9da68a31 100644
--- a/types/it-length-prefixed/index.d.ts
+++ b/types/it-length-prefixed/index.d.ts
@@ -1,25 +1,17 @@
 /*
- *   MIT License
+ * Copyright 2020 Fluence Labs Limited
  *
- *   Copyright (c) 2020 Fluence Labs Limited
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *   Permission is hereby granted, free of charge, to any person obtaining a copy
- *   of this software and associated documentation files (the "Software"), to deal
- *   in the Software without restriction, including without limitation the rights
- *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *   copies of the Software, and to permit persons to whom the Software is
- *   furnished to do so, subject to the following conditions:
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- *   The above copyright notice and this permission notice shall be included in all
- *   copies or substantial portions of the Software.
- *
- *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *   SOFTWARE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 declare module 'it-length-prefixed' {