diff --git a/lib/prism/prism.gemspec b/lib/prism/prism.gemspec
index 4b0f87d442..6fbd6c2945 100644
--- a/lib/prism/prism.gemspec
+++ b/lib/prism/prism.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name = "prism"
-  spec.version = "0.17.1"
+  spec.version = "0.18.0"
   spec.authors = ["Shopify"]
   spec.email = ["ruby@shopify.com"]
 
diff --git a/prism/extension.h b/prism/extension.h
index 4803aabe5e..33418b102a 100644
--- a/prism/extension.h
+++ b/prism/extension.h
@@ -1,7 +1,7 @@
 #ifndef PRISM_EXT_NODE_H
 #define PRISM_EXT_NODE_H
 
-#define EXPECTED_PRISM_VERSION "0.17.1"
+#define EXPECTED_PRISM_VERSION "0.18.0"
 
 #include <ruby.h>
 #include <ruby/encoding.h>
diff --git a/prism/templates/lib/prism/serialize.rb.erb b/prism/templates/lib/prism/serialize.rb.erb
index e5a88ae99a..058142682e 100644
--- a/prism/templates/lib/prism/serialize.rb.erb
+++ b/prism/templates/lib/prism/serialize.rb.erb
@@ -20,11 +20,11 @@ module Prism
 
     # The minor version of prism that we are expecting to find in the serialized
     # strings.
-    MINOR_VERSION = 17
+    MINOR_VERSION = 18
 
     # The patch version of prism that we are expecting to find in the serialized
     # strings.
-    PATCH_VERSION = 1
+    PATCH_VERSION = 0
 
     # Deserialize the AST represented by the given string into a parse result.
     def self.load(input, serialized)
diff --git a/prism/version.h b/prism/version.h
index 6d0bea616d..67a29ed38f 100644
--- a/prism/version.h
+++ b/prism/version.h
@@ -14,16 +14,16 @@
 /**
  * The minor version of the Prism library as an int.
  */
-#define PRISM_VERSION_MINOR 17
+#define PRISM_VERSION_MINOR 18
 
 /**
  * The patch version of the Prism library as an int.
  */
-#define PRISM_VERSION_PATCH 1
+#define PRISM_VERSION_PATCH 0
 
 /**
  * The version of the Prism library as a constant string.
  */
-#define PRISM_VERSION "0.17.1"
+#define PRISM_VERSION "0.18.0"
 
 #endif