diff --git a/Gemfile.lock b/Gemfile.lock
index 8bdc57e..4826d21 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,42 +7,42 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    coderay (1.1.2)
-    diff-lcs (1.3)
-    google-protobuf (3.7.1)
-    googleapis-common-protos-types (1.0.4)
-      google-protobuf (~> 3.0)
-    grpc (1.20.0)
-      google-protobuf (~> 3.7)
-      googleapis-common-protos-types (~> 1.0.0)
-    method_source (0.9.2)
-    pry (0.12.2)
-      coderay (~> 1.1.0)
-      method_source (~> 0.9.0)
-    rake (12.3.2)
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.0)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.3)
+    coderay (1.1.3)
+    diff-lcs (1.5.0)
+    google-protobuf (3.23.1)
+    googleapis-common-protos-types (1.6.0)
+      google-protobuf (~> 3.14)
+    grpc (1.55.0)
+      google-protobuf (~> 3.23)
+      googleapis-common-protos-types (~> 1.0)
+    method_source (1.0.0)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    rake (13.0.6)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.0)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.5)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.0)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   gcr!
-  grpc (~> 1.10, >= 1.2.5)
+  grpc (~> 1.55)
   pry
   rake
-  rspec (~> 3.5, >= 3.5.0)
+  rspec (~> 3.12)
 
 BUNDLED WITH
-   2.0.1
+   2.4.12
diff --git a/gcr.gemspec b/gcr.gemspec
index 74b1f48..e44ffe8 100644
--- a/gcr.gemspec
+++ b/gcr.gemspec
@@ -8,8 +8,8 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency "google-protobuf", "~> 3.7"
 
-  s.add_development_dependency "grpc", "~> 1.10", ">= 1.2.5"
-  s.add_development_dependency "rspec", "~> 3.5", ">= 3.5.0"
+  s.add_development_dependency "grpc", "~> 1.55"
+  s.add_development_dependency "rspec", "~> 3.12"
   s.add_development_dependency "rake"
   s.add_development_dependency "pry"