diff --git a/CHANGELOG.md b/CHANGELOG.md
index dcd3b1e..61830ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.5.1] - 2023-03-25
+
+### Hotfix
+
+* update github.com key: <https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/> (thanks [@phlax](https://github.com/phlax))
+
 ## [2.5.0] - 2022-12-24
 
 ### Added
@@ -180,7 +186,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 * First release.
 
-[Unreleased]: https://github.com/shimataro/ssh-key-action/compare/v2.5.0...HEAD
+[Unreleased]: https://github.com/shimataro/ssh-key-action/compare/v2.5.1...HEAD
+[2.5.1]: https://github.com/shimataro/ssh-key-action/compare/v2.5.0...v2.5.1
 [2.5.0]: https://github.com/shimataro/ssh-key-action/compare/v2.4.0...v2.5.0
 [2.4.0]: https://github.com/shimataro/ssh-key-action/compare/v2.3.1...v2.4.0
 [2.3.1]: https://github.com/shimataro/ssh-key-action/compare/v2.3.0...v2.3.1
diff --git a/lib/index.js b/lib/index.js
index a3d78c6..f894249 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -2724,7 +2724,7 @@ const fs_1 = __importDefault(__nccwpck_require__(147));
 const path_1 = __importDefault(__nccwpck_require__(17));
 const core = __importStar(__nccwpck_require__(186));
 const KNOWN_HOSTS = [
-    "github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==",
+    "github.com ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQCj7ndNxQowgcQnjshcLrqPEiiphnt+VTTvDP6mHBL9j1aNUkY4Ue1gvwnGLVlOhGeYrnZaMgRK6+PKCUXaDbC7qtbW8gIkhL7aGCsOr/C56SJMy/BCZfxd1nWzAOxSDPgVsmerOBYfNqltV9/hWCqBywINIR+5dIg6JTJ72pcEpEjcYgXkE2YEFXV1JHnsKgbLWNlhScqb2UmyRkQyytRLtL+38TGxkxCflmO+5Z8CSSNY7GidjMIZ7Q4zMjA2n1nGrlTDkzwDCsw+wqFPGQA179cnfGWOWRVruj16z6XyvxvjJwbz0wQZ75XK5tKSb7FNyeIEs4TT4jk+S4dhPeAUC5y+bDYirYgM4GC7uEnztnZyaVWQ7B381AK4Qdrwt51ZqExKbQpTUNn+EjqoTwvqNj4kqx5QUCI0ThS/YkOxJCXmPUWZbhjpCg56i+2aB6CmK2JGhn57K5mj0MNdBXA4/WnwH6XoPWJzK5Nyu2zB3nAZp+S5hpQs+p1vN1/wsjk=",
 ];
 try {
     main();
diff --git a/package-lock.json b/package-lock.json
index 1aa28d2..69b97d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "install-ssh-key",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "install-ssh-key",
-      "version": "2.5.0",
+      "version": "2.5.1",
       "license": "MIT",
       "devDependencies": {
         "@actions/core": "1.10.0",
diff --git a/package.json b/package.json
index 91ba422..64822d6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "install-ssh-key",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "private": true,
   "description": "Install SSH key in .ssh",
   "main": "lib/index.js",
diff --git a/src/main.ts b/src/main.ts
index 40443e9..6b7e84f 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -10,7 +10,7 @@ interface FileInfo {
 }
 
 const KNOWN_HOSTS = [
-    "github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==",
+    "github.com ssh-rsa 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",
 ];
 
 try {