diff --git a/.github/workflows/wc-upgrade-pack.yml b/.github/workflows/wc-upgrade-pack.yml
index 59a332f..d099c9b 100644
--- a/.github/workflows/wc-upgrade-pack.yml
+++ b/.github/workflows/wc-upgrade-pack.yml
@@ -6,6 +6,9 @@ on:
 
 permissions: {}
 
+env:
+  VERSION: "0.4.1" # x-release-please-version
+
 jobs:
   upgrade-pack:
     name: Build Upgrade Pack
@@ -15,16 +18,16 @@ jobs:
       - uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
         with:
           name: HostInstall
-      - run: tar -zxvf Postmaster-*-Linux.tar.gz
+      - run: tar -zxvf Postmaster-${{ env.VERSION }}-Linux.tar.gz
       - run: mkdir install
-      - run: mv Postmaster-*-Linux/* install/
+      - run: mv Postmaster-${{ env.VERSION }}-Linux/* install/
       - uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
         with:
           name: postmaster
-      - run: tar -zxvf Postmaster-*-Generic-ELF.tar.gz
-      - run: cp -r Postmaster-*-Generic-ELF/* install/
-      - run: install/bin/postmaster.upgrade_pack_builder --app=install/bin/postmaster.postmaster_stm32f407.hex --output=Postmaster-0.3.1.upg # x-release-please-version
+      - run: tar -zxvf Postmaster-${{ env.VERSION }}-Generic-ELF.tar.gz
+      - run: cp -r Postmaster-${{ env.VERSION }}-Generic-ELF/* install/
+      - run: install/bin/postmaster.upgrade_pack_builder --app=install/bin/postmaster.postmaster_stm32f407.hex --output=Postmaster-${{ env.VERSION }}.upg
       - uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: UpgradePack
-          path: Postmaster-0.3.1.upg # x-release-please-version
+          path: Postmaster-${{ env.VERSION }}.upg
diff --git a/postmaster/upgrade_pack_builder/Main.cpp b/postmaster/upgrade_pack_builder/Main.cpp
index 4868284..aa4e280 100644
--- a/postmaster/upgrade_pack_builder/Main.cpp
+++ b/postmaster/upgrade_pack_builder/Main.cpp
@@ -3,7 +3,7 @@
 
 int main(int argc, const char* argv[])
 {
-    application::UpgradePackBuilder::HeaderInfo header{ "Postmaster", "v0.3.1", "", 0 }; // x-release-please-version
+    application::UpgradePackBuilder::HeaderInfo header{ "Postmaster", Postmaster::generated::VERSION, "", 0 };
     application::SupportedTargets supportedTargets = application::SupportedTargets::Create()
                                                          .Mandatory()
                                                          .AddHex("app");