diff --git a/README.md b/README.md
index 9cbc3c7..1584d98 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,10 @@ If set, this branch will be used to push the packages instead of `DEB_DISTRO-ROS
 
 If set to true, Git Large File Storage will be used to store the generated binaries.
 
+## ``PRE_BUILD_HOOK``
+
+TODO
+
 ## Example usage
 
 ```
diff --git a/action.yaml b/action.yaml
index e0ccf6c..99cd84f 100644
--- a/action.yaml
+++ b/action.yaml
@@ -40,6 +40,9 @@ inputs:
   GIT_LFS:
     description: If set to true, use Git Large File Storage for storing binaries (*.deb and *.ddeb)
     required: false
+  PRE_BUILD_HOOK:
+    description: If set, this script will be executed before running sbuild.
+    required: false
 runs:
   using: composite
   steps:
@@ -66,6 +69,7 @@ runs:
         ROSDEP_SOURCE: ${{ inputs.ROSDEP_SOURCE }}
         SKIP_ROS_REPOSITORY: ${{ inputs.SKIP_ROS_REPOSITORY }}
         SKIP_PACKAGES: ${{ inputs.SKIP_PACKAGES }}
+        PRE_BUILD_HOOK: ${{ inputs.PRE_BUILD_HOOK }}
     - name: Create apt repository and deploy it
       run: $GITHUB_ACTION_PATH/repository
       shell: sh
diff --git a/build b/build
index 1148483..8bf6ef9 100755
--- a/build
+++ b/build
@@ -81,6 +81,12 @@ echo "$ROSDEP_SOURCE" > "$APT_REPO/2-remote.list"
 
 ROS_HOME="$APT_REPO/ros" ROSDEP_SOURCE_PATH="$APT_REPO:/etc/ros/rosdep/sources.list.d/" rosdep update
 
+
+if [ -n "$PRE_BUILD_HOOK" ]; then
+  echo "Run pre-build hook"
+  eval "$PRE_BUILD_HOOK"
+fi
+
 echo "Run sbuild"
 
 # Don't build tests