diff --git a/composer.json b/composer.json
index e2cf0329..cfeded48 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "josephlavin/tap": "^1.0",
         "opdavies/sculpin-gist-embed-bundle": "^0.1",
         "opdavies/sculpin-twig-markdown-bundle": "^0.1",
-        "sculpin/sculpin": "^3",
+        "sculpin/sculpin": "^3.0",
         "tsphethean/sculpin-related-posts-bundle": "~0.1.0",
         "wikimedia/composer-merge-plugin": "^1.4"
     },
diff --git a/composer.lock b/composer.lock
index f2a03d30..27ab7cd5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7714a760676c431ae4ddbcac71abf488",
+    "content-hash": "376df5bc92c172925dd66bc87f6a55dc",
     "packages": [
         {
             "name": "composer/ca-bundle",