diff --git a/release-please-config.json b/release-please-config.json
index af6ec45..c2f1791 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -8,10 +8,6 @@
       "bump-patch-for-minor-pre-major": false,
       "include-v-in-tag": true,
       "extra-files": [
-        {
-          "type": "generic",
-          "path": "version"
-        },
         {
           "type": "json",
           "path": ".claude-plugin/plugin.json",
diff --git a/skills/agentkey/scripts/check-update.sh b/skills/agentkey/scripts/check-update.sh
index b0f0d00..4689a35 100755
--- a/skills/agentkey/scripts/check-update.sh
+++ b/skills/agentkey/scripts/check-update.sh
@@ -9,7 +9,7 @@ CACHE_TTL_FAILURE=3600    # 1h for UPDATE_FAILED (retry sooner)
 CURL_TIMEOUT=3
 
 PLUGIN_ROOT="${CLAUDE_PLUGIN_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." 2>/dev/null && pwd)}"
-VERSION_FILE="$PLUGIN_ROOT/version"
+VERSION_FILE="$PLUGIN_ROOT/version.txt"
 CACHE_FILE="${TMPDIR:-/tmp}/agentkey-update-check"
 
 LOCAL_VERSION=$(tr -d '[:space:]' < "$VERSION_FILE" 2>/dev/null)
diff --git a/version b/version
deleted file mode 100644
index 3eefcb9..0000000
--- a/version
+++ /dev/null
@@ -1 +0,0 @@
-1.0.0
diff --git a/version.txt b/version.txt
new file mode 100644
index 0000000..9084fa2
--- /dev/null
+++ b/version.txt
@@ -0,0 +1 @@
+1.1.0