diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9f90ea4a..d0a079fe2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+## `0.3.8` - 2020-07-20
+
+### Changed
+
+- Upgraded to GDK for Unity version `0.3.8`
 ### Breaking Changes
 
 - Moved the `BlankProject` assembly definition from `Assets` to `Assets/BlankProject` to avoid common compile issues with Plugins. [#111](https://github.com/spatialos/gdk-for-unity-blank-project/pull/111)
diff --git a/gdk.pinned b/gdk.pinned
index 48baeb9db..6156b6078 100644
--- a/gdk.pinned
+++ b/gdk.pinned
@@ -1 +1 @@
-develop da81d115c675dc6e2ad1226a149740974a260ba6
+develop a77681bfc5d61a7d42456376592408beb9e29ca1
\ No newline at end of file
diff --git a/workers/unity/Packages/manifest.json b/workers/unity/Packages/manifest.json
index e38147e54..f9a1e27e7 100644
--- a/workers/unity/Packages/manifest.json
+++ b/workers/unity/Packages/manifest.json
@@ -4,17 +4,17 @@
     "com.unity.test-framework": "1.1.11",
     "com.unity.timeline": "1.2.10",
     "com.unity.ugui": "1.0.0",
-    "io.improbable.gdk.buildsystem": "0.3.7",
-    "io.improbable.gdk.core": "0.3.7",
-    "io.improbable.gdk.debug": "0.3.7",
-    "io.improbable.gdk.deploymentlauncher": "0.3.7",
-    "io.improbable.gdk.gameobjectcreation": "0.3.7",
-    "io.improbable.gdk.mobile": "0.3.7",
-    "io.improbable.gdk.playerlifecycle": "0.3.7",
-    "io.improbable.gdk.querybasedinteresthelper": "0.3.7",
-    "io.improbable.gdk.testutils": "0.3.7",
-    "io.improbable.gdk.tools": "0.3.7",
-    "io.improbable.gdk.transformsynchronization": "0.3.7",
+    "io.improbable.gdk.buildsystem": "0.3.8",
+    "io.improbable.gdk.core": "0.3.8",
+    "io.improbable.gdk.debug": "0.3.8",
+    "io.improbable.gdk.deploymentlauncher": "0.3.8",
+    "io.improbable.gdk.gameobjectcreation": "0.3.8",
+    "io.improbable.gdk.mobile": "0.3.8",
+    "io.improbable.gdk.playerlifecycle": "0.3.8",
+    "io.improbable.gdk.querybasedinteresthelper": "0.3.8",
+    "io.improbable.gdk.testutils": "0.3.8",
+    "io.improbable.gdk.tools": "0.3.8",
+    "io.improbable.gdk.transformsynchronization": "0.3.8",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.animation": "1.0.0",
     "com.unity.modules.assetbundle": "1.0.0",