diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
index dff4a06..9fe231c 100644
--- a/.github/workflows/verify.yml
+++ b/.github/workflows/verify.yml
@@ -42,6 +42,11 @@ jobs:
         public-key: ${{ secrets.SSH_KEY_PUBLIC }}
         name: ssh_key_name # optional
         known-hosts: ${{ secrets.KNOWN_HOSTS }} # optional
+        config: | # optional
+          Host github
+            Hostname github.com
+            User git
+            IdentityFile ~/.ssh/ssh_key_name
     - name: print created files
       run: ls ~/.ssh
     - name: git clone through SSH
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72f0ee4..ed64ee2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+
+* `config` option
+
 ## [1.3.0]
 
 ### Added
diff --git a/README.md b/README.md
index 2c14df7..fc83088 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,8 @@ steps:
     private-key: ${{ secrets.SSH_KEY }}
     public-key: ${{ secrets.SSH_KEY_PUBLIC }}
     name: id_rsa # optional
-    known-hosts: ${{ secrets.KNOWN_HOSTS }} # optional
+    known-hosts: ${{ secrets.KNOWN_HOSTS }} # known_hosts; optional
+    config: ${{ secrets.CONFIG }} # ssh_config; optional
 - name: Install packages
   run: apt install openssh-client rsync
 - name: rsync over ssh
diff --git a/action.yml b/action.yml
index 6fe85c1..9ab601b 100644
--- a/action.yml
+++ b/action.yml
@@ -20,6 +20,10 @@ inputs:
     description: "public keys of SSH servers"
     required: false
     default: ""
+  config:
+    description: "SSH config"
+    required: false
+    default: ""
 runs:
   using: "node12"
   main: "lib/main.js"
diff --git a/lib/main.js b/lib/main.js
index 3a88c7a..46f7cef 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -32,6 +32,11 @@ function main() {
                 mode: 0o644,
                 contents: core.getInput("known-hosts"),
             },
+            {
+                name: "config",
+                mode: 0o644,
+                contents: core.getInput("config"),
+            },
         ];
         // create ".ssh" directory
         const home = getHomeDirectory();
diff --git a/lib/main.js.map b/lib/main.js.map
index 9705ee1..991a1fd 100644
--- a/lib/main.js.map
+++ b/lib/main.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"main.js","sourceRoot":"","sources":["../src/main.ts"],"names":[],"mappings":";;;;;;;;;AAAA,uCAAyB;AACzB,2CAA6B;AAE7B,oDAAsC;AAStC;;GAEG;AACH,SAAS,IAAI;IAEZ,IACA;QACC,MAAM,IAAI,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAW,CAAC;QAC7C,MAAM,KAAK,GAAe;YACzB;gBACC,IAAI,EAAE,IAAI;gBACV,IAAI,EAAE,KAAK;gBACX,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC;aACtC;YACD;gBACC,IAAI,EAAE,GAAG,IAAI,MAAM;gBACnB,IAAI,EAAE,KAAK;gBACX,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,YAAY,CAAC;aACrC;YACD;gBACC,IAAI,EAAE,aAAa;gBACnB,IAAI,EAAE,KAAK;gBACX,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,aAAa,CAAC;aACtC;YACD;gBACC,IAAI,EAAE,QAAQ;gBACd,IAAI,EAAE,KAAK;gBACX,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,QAAQ,CAAC;aACjC;SACD,CAAC;QAEF,0BAA0B;QAC1B,MAAM,IAAI,GAAG,gBAAgB,EAAE,CAAC;QAChC,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,IAAI,EAAE,MAAM,CAAC,CAAC;QAC3C,EAAE,CAAC,SAAS,CAAC,OAAO,EAAE;YACrB,SAAS,EAAE,IAAI;YACf,IAAI,EAAE,KAAK;SACX,CAAC,CAAC;QAEH,eAAe;QACf,KAAI,MAAM,IAAI,IAAI,KAAK,EACvB;YACC,MAAM,QAAQ,GAAG,IAAI,CAAC,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,IAAI,CAAC,CAAC;YAC/C,EAAE,CAAC,aAAa,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE;gBACzC,IAAI,EAAE,IAAI,CAAC,IAAI;aACf,CAAC,CAAC;SACH;QAED,OAAO,CAAC,GAAG,CAAC,8BAA8B,OAAO,gBAAgB,CAAC,CAAC;KACnE;IACD,OAAM,GAAG,EACT;QACC,IAAI,CAAC,SAAS,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;KAC5B;AACF,CAAC;AAED;;;GAGG;AACH,SAAS,gBAAgB;IAExB,MAAM,OAAO,GAAG,OAAO,CAAC,QAAQ,IAAI,OAAO,CAAC,CAAC,CAAC,aAAa,CAAC,CAAC,CAAC,MAAM,CAAC;IACrE,MAAM,IAAI,GAAG,OAAO,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;IAClC,IAAG,IAAI,KAAK,SAAS,EACrB;QACC,MAAM,IAAI,KAAK,CAAC,GAAG,OAAO,iBAAiB,CAAC,CAAC;KAC7C;IAED,OAAO,IAAI,CAAC;AACb,CAAC;AAED,IAAI,EAAE,CAAC"}
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 0bf3203..5b767a4 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -34,6 +34,11 @@ function main(): void
 				mode: 0o644,
 				contents: core.getInput("known-hosts"),
 			},
+			{
+				name: "config",
+				mode: 0o644,
+				contents: core.getInput("config"),
+			},
 		];
 
 		// create ".ssh" directory