diff --git a/Gemfile.lock b/Gemfile.lock
index 8c8d0fd..4c6d51b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,21 +1,21 @@
 PATH
   remote: .
   specs:
-    pbio (0.3.2)
-      google-protobuf
+    pbio (0.3.3)
+      google-protobuf (~> 3)
 
 GEM
   remote: http://rubygems.org/
   specs:
     ast (2.4.2)
     diff-lcs (1.5.0)
-    google-protobuf (3.21.7)
+    google-protobuf (3.25.3)
     json (2.6.2)
     parallel (1.22.1)
     parser (3.1.2.1)
       ast (~> 2.4.1)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.2.1)
     regexp_parser (2.6.0)
     rexml (3.2.8)
       strscan (>= 3.0.9)
diff --git a/pbio.gemspec b/pbio.gemspec
index cdf8cfb..c21589a 100644
--- a/pbio.gemspec
+++ b/pbio.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = 'pbio'
-  s.version     = '0.3.2'
+  s.version     = '0.3.3'
   s.authors     = ['Dimitrij Denissenko']
   s.email       = ['dimitrij@blacksquaremedia.com']
   s.summary     = 'Protobuf Streaming'
@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
   s.required_ruby_version = '>= 2.7'
 
-  s.add_dependency 'google-protobuf'
+  s.add_dependency 'google-protobuf', '~> 3'
 
   s.add_development_dependency 'bundler'
   s.add_development_dependency 'rake'