diff --git a/bin/release b/bin/release
index 63262eb..d0aff23 100755
--- a/bin/release
+++ b/bin/release
@@ -32,6 +32,17 @@ if [ "$1" == "" ]; then
 	exit 1
 fi
 
+git pull
+
+# Make sure all changes are merged.
+if [ $? -ne 0 ]; then
+    error "Branch did not contain the latest changes and could not be merged automatically."
+    echo "Please merge by hand before continue."
+    echo
+    git status
+    exit 1
+fi
+
 # Dirty repo?
 if [ "$(git status --porcelain 2>/dev/null)" ]; then
 	error "Repo is dirty."