diff --git a/go_modules/lib/dependabot/go_modules/version.rb b/go_modules/lib/dependabot/go_modules/version.rb
index 3bb8f808894..59297b768bd 100644
--- a/go_modules/lib/dependabot/go_modules/version.rb
+++ b/go_modules/lib/dependabot/go_modules/version.rb
@@ -30,7 +30,7 @@ def initialize(version)
         @version_string = version.to_s.gsub(/^v/, "")
         version = version.gsub(/^v/, "") if version.is_a?(String)
         version = version.to_s.split("+").first if version.to_s.include?("+")
-        version, @prerelease = version.to_s.split("-") if version.to_s.include?("-")
+        version, @prerelease = version.to_s.split("-", 2) if version.to_s.include?("-")
 
         super
       end
diff --git a/go_modules/spec/dependabot/go_modules/version_spec.rb b/go_modules/spec/dependabot/go_modules/version_spec.rb
index bfbf365716b..4159ac35903 100644
--- a/go_modules/spec/dependabot/go_modules/version_spec.rb
+++ b/go_modules/spec/dependabot/go_modules/version_spec.rb
@@ -184,7 +184,9 @@
       "v1.1.0-rc0",
       "v1.1.0-rc5",
       "v1.1.0-rc6",
-      "v1.1.0"
+      "v1.1.0",
+      "v1.34.2-20220907172603-9a877cf260e1.1",
+      "v1.34.2-20220907172603-9a877cf260e1.2"
     ]
     sorted_versions.combination(2).each do |lhs, rhs|
       it "'#{lhs}' < '#{rhs}'" do