diff --git a/default.nix b/default.nix
index 1c80f78..b02a709 100644
--- a/default.nix
+++ b/default.nix
@@ -108,6 +108,9 @@ let
     so-long = self.straightBuild {
       pname = "emacs-so-long";
     };
+    ob-racket = self.straightBuild {
+      pname = "ob-racket";
+    };
   };
 
   # Stage 1: prepare source for byte-compilation
diff --git a/nix/sources.json b/nix/sources.json
index 7909c7f..17d2b6d 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -142,5 +142,17 @@
         "type": "tarball",
         "url": "https://github.com/debug-ito/rotate-text.el/archive/48f193697db996855aee1ad2bc99b38c6646fe76.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "ob-racket": {
+        "branch": "master",
+        "description": "Org babel support for racket",
+        "homepage": "https://github.com/xchrishawk/ob-racket",
+        "owner": "xchrishawk",
+        "repo": "ob-racket",
+        "rev": "83457ec9e1e96a29fd2086ed19432b9d75787673",
+        "sha256": "0xcjk4wx9gr6adsnb4gnklyx7im1aj7l5kqlwg1ysvwp6061h5dc",
+        "type": "tarball",
+        "url": "https://github.com/xchrishawk/ob-racket/archive/83457ec9e1e96a29fd2086ed19432b9d75787673.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }