diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d82af70e..eb0f7619b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [2.2.1](https://github.com/Gusto/apollo-federation-ruby/compare/v2.2.0...v2.2.1) (2022-03-08)
+
+
+### Bug Fixes
+
+* Remove to_graphql and make the interpreter runtime a requirement for older GraphQL versions ([#177](https://github.com/Gusto/apollo-federation-ruby/issues/177)) ([bfc3082](https://github.com/Gusto/apollo-federation-ruby/commit/bfc308260c34eee04c3b7a5f0e8a0bffe1cb88c4))
+
 # [2.2.0](https://github.com/Gusto/apollo-federation-ruby/compare/v2.1.0...v2.2.0) (2022-02-04)
 
 
diff --git a/Gemfile.lock b/Gemfile.lock
index a1c38868b..66d1c4d0f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    apollo-federation (2.2.0)
+    apollo-federation (2.2.1)
       google-protobuf (~> 3.19)
       graphql (>= 1.10.14)
 
@@ -42,7 +42,7 @@ GEM
     debase-ruby_core_source (0.10.9)
     diff-lcs (1.3)
     erubi (1.9.0)
-    google-protobuf (3.19.4)
+    google-protobuf (3.19.4-x86_64-linux)
     graphql (1.10.14)
     i18n (1.8.5)
       concurrent-ruby (~> 1.0)
@@ -126,4 +126,4 @@ DEPENDENCIES
   ruby-debug-ide
 
 BUNDLED WITH
-   2.3.6
+   2.3.8
diff --git a/gemfiles/graphql_1.10.gemfile.lock b/gemfiles/graphql_1.10.gemfile.lock
index d7bc65f0e..4bc8705b9 100644
--- a/gemfiles/graphql_1.10.gemfile.lock
+++ b/gemfiles/graphql_1.10.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    apollo-federation (2.2.0)
+    apollo-federation (2.2.1)
       google-protobuf (~> 3.19)
       graphql (>= 1.10.14)
 
@@ -126,4 +126,4 @@ DEPENDENCIES
   ruby-debug-ide
 
 BUNDLED WITH
-   2.3.6
+   2.3.8
diff --git a/gemfiles/graphql_1.11.gemfile.lock b/gemfiles/graphql_1.11.gemfile.lock
index 52a5dc8b4..0ed5bd333 100644
--- a/gemfiles/graphql_1.11.gemfile.lock
+++ b/gemfiles/graphql_1.11.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    apollo-federation (2.2.0)
+    apollo-federation (2.2.1)
       google-protobuf (~> 3.19)
       graphql (>= 1.10.14)
 
@@ -126,4 +126,4 @@ DEPENDENCIES
   ruby-debug-ide
 
 BUNDLED WITH
-   2.3.6
+   2.3.8
diff --git a/gemfiles/graphql_1.12.gemfile.lock b/gemfiles/graphql_1.12.gemfile.lock
index 65caec302..c949eb3d5 100644
--- a/gemfiles/graphql_1.12.gemfile.lock
+++ b/gemfiles/graphql_1.12.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    apollo-federation (2.2.0)
+    apollo-federation (2.2.1)
       google-protobuf (~> 3.19)
       graphql (>= 1.10.14)
 
@@ -126,4 +126,4 @@ DEPENDENCIES
   ruby-debug-ide
 
 BUNDLED WITH
-   2.3.6
+   2.3.8
diff --git a/gemfiles/graphql_1.13.gemfile.lock b/gemfiles/graphql_1.13.gemfile.lock
index aed87fa3b..16eead559 100644
--- a/gemfiles/graphql_1.13.gemfile.lock
+++ b/gemfiles/graphql_1.13.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    apollo-federation (2.2.0)
+    apollo-federation (2.2.1)
       google-protobuf (~> 3.19)
       graphql (>= 1.10.14)
 
@@ -125,4 +125,4 @@ DEPENDENCIES
   ruby-debug-ide
 
 BUNDLED WITH
-   2.3.6
+   2.3.8
diff --git a/lib/apollo-federation/version.rb b/lib/apollo-federation/version.rb
index d114a28ec..03bf84571 100644
--- a/lib/apollo-federation/version.rb
+++ b/lib/apollo-federation/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ApolloFederation
-  VERSION = '2.2.0'
+  VERSION = '2.2.1'
 end