diff --git a/.gitignore b/.gitignore
index 485dee6..eb5e430 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .idea
+build_output.log
diff --git a/action.yml b/action.yml
index 2d35855..daf922f 100644
--- a/action.yml
+++ b/action.yml
@@ -92,6 +92,8 @@ inputs:
 outputs:
   manifest:
     description: "The path to the generated manifest.vdf"
+  buildId:
+    description: "The Steam BuildID of the uploaded build"
 runs:
   using: "docker"
   image: Dockerfile
diff --git a/steam_deploy.sh b/steam_deploy.sh
index 8ba01f0..ea7c530 100755
--- a/steam_deploy.sh
+++ b/steam_deploy.sh
@@ -164,7 +164,7 @@ echo "#        Uploading build        #"
 echo "#################################"
 echo ""
 
-steamcmd +login "$steam_username" +run_app_build "$manifest_path" +quit || (
+steamcmd +login "$steam_username" +run_app_build "$manifest_path" +quit | tee build_output.log || (
     echo ""
     echo "#################################"
     echo "#             Errors            #"
@@ -212,4 +212,7 @@ steamcmd +login "$steam_username" +run_app_build "$manifest_path" +quit || (
     exit 1
   )
 
+buildId=$(grep -oP '\(BuildID \K\d+(?=\))' build_output.log || echo "")
+
 echo "manifest=${manifest_path}" >> $GITHUB_OUTPUT
+echo "buildId=${buildId}" >> $GITHUB_OUTPUT