diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index a8cc3fb..978bbe0 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -45,3 +45,6 @@
     Scope libyear-merged dependencies to the analyzed workspace so cross-workspace
     deps are no longer uploaded with blank versions (LIBTRACK-136). Distinguish an
     undeterminable resolved set (pnpm failure) from an empty one.
+
+2.0.4
+    Require slack-ruby-client ~> 3.2.
diff --git a/lib/library_version_analysis/version.rb b/lib/library_version_analysis/version.rb
index 32c53eb..362db95 100644
--- a/lib/library_version_analysis/version.rb
+++ b/lib/library_version_analysis/version.rb
@@ -1,3 +1,3 @@
 module LibraryVersionAnalysis
-  VERSION = "2.0.3".freeze
+  VERSION = "2.0.4".freeze
 end
diff --git a/library_version_analysis.gemspec b/library_version_analysis.gemspec
index 03926b7..bfa15f7 100644
--- a/library_version_analysis.gemspec
+++ b/library_version_analysis.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "libyear-bundler"
   spec.add_dependency "open3"
   spec.add_dependency "pry", "~> 0.16.0"
-  spec.add_dependency "slack-ruby-client"
+  spec.add_dependency "slack-ruby-client", "~> 3.2"
   spec.add_dependency "code_ownership"
   spec.add_development_dependency "pry-byebug"
   spec.add_development_dependency "rspec", "~> 3.2"