diff --git a/CHANGELOG.md b/CHANGELOG.md
index 19768490..65d2620d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,7 +41,7 @@
 
 # `libp2p` facade crate
 
-## Version 0.38.0 [unreleased]
+## Version 0.38.0 [2021-05-17]
 
 - Update individual crates.
     - `libp2p-core`
diff --git a/protocols/gossipsub/CHANGELOG.md b/protocols/gossipsub/CHANGELOG.md
index f215203f..20f004d5 100644
--- a/protocols/gossipsub/CHANGELOG.md
+++ b/protocols/gossipsub/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 0.31.0 [unreleased]
+# 0.31.0 [2021-05-17]
 
 - Keep connections to peers in a mesh alive. Allow closing idle connections to peers not in a mesh
   [PR-2043].
diff --git a/transports/noise/CHANGELOG.md b/transports/noise/CHANGELOG.md
index 620eaa85..7363a697 100644
--- a/transports/noise/CHANGELOG.md
+++ b/transports/noise/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 0.31.0 [unreleased]
+# 0.31.0 [2021-05-17]
 
 - Update to `snow` `v0.8.0` ([PR-2068]).
 
diff --git a/transports/pnet/CHANGELOG.md b/transports/pnet/CHANGELOG.md
index e17fc693..b70e30c6 100644
--- a/transports/pnet/CHANGELOG.md
+++ b/transports/pnet/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 0.21.0 [unreleased]
+# 0.21.0 [2021-05-17]
 
 - Update dependencies.