diff --git a/.appveyor.yml b/.appveyor.yml
index 4b37ea2..1b304cd 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -18,7 +18,7 @@ configuration:
     - Release
 
 environment:
-    COMMS_BRANCH: develop
+    COMMS_BRANCH: v5.2.2
     CC_MQTT5_BRANCH: v2.5
     matrix:
         - CPP_STD: 17
diff --git a/.github/workflows/actions_build.yml b/.github/workflows/actions_build.yml
index c749a6c..2f2df99 100644
--- a/.github/workflows/actions_build.yml
+++ b/.github/workflows/actions_build.yml
@@ -3,7 +3,7 @@ name: Github Actions Build
 on: [push]
 
 env:
-  COMMS_BRANCH: develop
+  COMMS_BRANCH: v5.2.2
   CC_MQTT5_BRANCH: v2.5
 
 jobs: