diff --git a/.github/scripts/release-check-duplicate.sh b/.github/scripts/release-check-duplicate.sh
new file mode 100755
index 000000000..5659fc7fd
--- /dev/null
+++ b/.github/scripts/release-check-duplicate.sh
@@ -0,0 +1,24 @@
+#!/bin/env bash
+set -e
+
+root=$(cd "$(dirname $0)/../.." && pwd)
+# build new version number
+local_sdk_version=$(cat $root/sdk_version)
+local_sdk_version_major=$(echo $local_sdk_version | cut -d '.' -f 1)
+local_sdk_version_minor=$(echo $local_sdk_version | cut -d '.' -f 2)
+new_sdk_version_minor=$(( local_sdk_version_minor + 1 ))
+new_sdk_version="$local_sdk_version_major.$new_sdk_version_minor.0"
+
+branch_name="autobuild-$new_sdk_version"
+
+if [ -z "$GH_TOKEN" ]; then
+    echo "GH_TOKEN is missing, abort."
+    exit 1
+fi
+
+result=$(curl -s -u LolUserName:$GH_TOKEN "https://api.github.com/repos/outscale/osc-sdk-go/pulls" | jq ".[] | select(.title == \"$new_sdk_version version\") | .title")
+
+if [ ! -z "$result" ]; then
+    echo "Pull request seems to alread exist, abort."
+    exit 1
+fi    
diff --git a/Makefile b/Makefile
index 2c7c5309d..838e5bb15 100644
--- a/Makefile
+++ b/Makefile
@@ -68,13 +68,17 @@ gofmt:
 # Used by bot to auto-release
 # GH_TOKEN and SSH_PRIVATE_KEY are needed
 .PHONY: auto-release
-auto-release: osc-api-check release-build release-push release-pr
+auto-release: osc-api-check release-check-duplicate release-build release-push release-pr
 	@echo OK
 
 .PHONY: osc-api-check
 osc-api-check:
 	bash .github/scripts/osc-api-check.sh
 
+.PHONY: release-check-duplicate
+release-check-duplicate:
+	bash .github/scripts/release-check-duplicate.sh
+
 .PHONY: release-build
 release-build:
 	bash .github/scripts/release-build.sh