diff --git a/README.md b/README.md
index 3a56ca0..2de1556 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ It is also able to merge the pull request after creation (see Settings).
 * `SOURCE`: Source branch (aka head)
 * `TARGET`: Target branch (aka base)
 * `MERGE`: Merge the PR after creation - defaults to false
+* `SQUASH`: Suash the merge - defaults to false
 * `DELETE_SOURCE`: Delete source branch after merge - defaults to false
 
 ## Examples
@@ -37,5 +38,6 @@ steps:
       SOURCE: dev
       TARGET: main
       MERGE: true
+      SQUASH: false
       DELETE_SOURCE: false
 ```
\ No newline at end of file
diff --git a/plugin.sh b/plugin.sh
index 1326ff0..21b1d8e 100644
--- a/plugin.sh
+++ b/plugin.sh
@@ -40,6 +40,14 @@ if [ "${PLUGIN_MERGE:-false}" = true ]; then
         echo "Falling back to not deleting source";
         PLUGIN_DELETE_SOURCE=false;
     fi
+
+    if [ "${PLUGIN_SQUASH:-null}" = null ]; then
+        echo "Merging PR";
+        ACTION="merge";
+    else
+        echo "Squashing PR";
+        ACTION="squash";
+    fi
     
     ID=$(echo $RES | jq '.number')
     curl --request POST \
@@ -48,7 +56,7 @@ if [ "${PLUGIN_MERGE:-false}" = true ]; then
     --header "Authorization: token $PLUGIN_APIKEY" \
     -f \
     --data "{
-          \"do\": \"merge\",
+          \"do\": \"$ACTION\",
           \"delete_branch_after_merge\": $PLUGIN_DELETE_SOURCE
     }"
     echo "PR merged";