diff --git a/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/static_package_source.rb b/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/static_package_source.rb
index e895812beda6..4bf61461b269 100644
--- a/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/static_package_source.rb
+++ b/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/static_package_source.rb
@@ -19,7 +19,14 @@ def add(name, version, deps: {})
         version = Gem::Version.new(version)
         @packages[name] ||= {}
         raise ArgumentError, "#{name} #{version} declared twice" if @packages[name].key?(version)
-        @packages[name][version] = deps
+        @packages[name][version] = clean_deps(name, version, deps)
+      end
+
+      private
+
+      # Exclude redundant self-referencing dependencies
+      def clean_deps(name, version, deps)
+        deps.reject {|dep_name, req| name == dep_name && Bundler::PubGrub::RubyGems.parse_range(req).include?(version) }
       end
     end
 
diff --git a/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb b/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb
index 9133332d0156..b71f3eaf53b4 100644
--- a/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb
+++ b/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb
@@ -15,15 +15,16 @@ def hash
       package.hash ^ range.hash
     end
 
+    def ==(other)
+      package == other.package &&
+        range == other.range
+    end
+
     def eql?(other)
       package.eql?(other.package) &&
         range.eql?(other.range)
     end
 
-    def ==(other)
-      package == other.package && range == other.range
-    end
-
     class << self
       def exact(package, version)
         range = VersionRange.new(min: version, max: version, include_min: true, include_max: true)
diff --git a/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_solver.rb b/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_solver.rb
index ea5e455968bb..2cb8412cf328 100644
--- a/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_solver.rb
+++ b/bundler/lib/bundler/vendor/pub_grub/lib/pub_grub/version_solver.rb
@@ -125,6 +125,7 @@ def choose_package_version
       package = next_package_to_try
       unsatisfied_term = solution.unsatisfied.find { |t| t.package == package }
       version = source.versions_for(package, unsatisfied_term.constraint.range).first
+      logger.debug { "attempting #{package} #{version}" }
 
       if version.nil?
         add_incompatibility source.no_versions_incompatibility_for(package, unsatisfied_term)
@@ -148,9 +149,11 @@ def choose_package_version
       end
 
       unless conflict
-        logger.info { "selecting #{package} #{version}" }
+        logger.info { "selected #{package} #{version}" }
 
         solution.decide(package, version)
+      else
+        logger.info { "conflict: #{conflict.inspect}" }
       end
 
       package
diff --git a/bundler/spec/install/gems/resolving_spec.rb b/bundler/spec/install/gems/resolving_spec.rb
index 279d3422c131..fb6dda2f886a 100644
--- a/bundler/spec/install/gems/resolving_spec.rb
+++ b/bundler/spec/install/gems/resolving_spec.rb
@@ -190,7 +190,7 @@
         expect(out).to include(" net_b").
           and include("Resolving dependencies...").
           and include("Solution found after 1 attempts:").
-          and include("selecting net_b 1.0")
+          and include("selected net_b 1.0")
       end
     end
   end