diff --git a/chef-cli.gemspec b/chef-cli.gemspec
index 35a36fe6..f6e470b0 100644
--- a/chef-cli.gemspec
+++ b/chef-cli.gemspec
@@ -47,7 +47,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency "solve", "< 5.0", "> 2.0"
   gem.add_dependency "addressable", ">= 2.3.5", "< 2.9"
   gem.add_dependency "cookbook-omnifetch", "~> 0.5"
-  gem.add_dependency "diff-lcs", ">= 1.0", "< 1.4" # 1.4 changes the output
+  gem.add_dependency "diff-lcs", ">= 1.2.4", "!= 1.4.0", "< 1.6.0" # 1.4 breaks output. Used in lib/chef/util/diff
   gem.add_dependency "pastel", "~> 0.7" # used for policyfile differ
   gem.add_dependency "license-acceptance", ">= 1.0.11", "< 3"
   gem.add_dependency "chef-licensing", "~> 1.0"
diff --git a/spec/unit/policyfile/differ_spec.rb b/spec/unit/policyfile/differ_spec.rb
index ea91eced..f0c913e1 100644
--- a/spec/unit/policyfile/differ_spec.rb
+++ b/spec/unit/policyfile/differ_spec.rb
@@ -318,7 +318,7 @@ def output
         REVISION ID CHANGED
         ===================
 
-        @@ -1,2 +1,2 @@
+        @@ -1 +1 @@
         -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
         +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5
 
@@ -369,7 +369,7 @@ def output
           REVISION ID CHANGED
           ===================
 
-          @@ -1,2 +1,2 @@
+          @@ -1 +1 @@
           -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
           +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5
 
@@ -428,7 +428,7 @@ def output
         REVISION ID CHANGED
         ===================
 
-        @@ -1,2 +1,2 @@
+        @@ -1 +1 @@
         -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
         +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5
 
@@ -501,7 +501,7 @@ def output
         REVISION ID CHANGED
         ===================
 
-        @@ -1,2 +1,2 @@
+        @@ -1 +1 @@
         -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
         +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5
 
@@ -511,7 +511,7 @@ def output
         bluepill
         --------
 
-        @@ -1 +1,12 @@
+        @@ -1,11 +1,22 @@
         +{
         +  "version": "2.3.2",
         +  "identifier": "9c6990944d9a347dec8bd375e707ba0aecdc17cd",
@@ -563,7 +563,7 @@ def output
         REVISION ID CHANGED
         ===================
 
-        @@ -1,2 +1,2 @@
+        @@ -1 +1 @@
         -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
         +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5
 
@@ -616,7 +616,7 @@ def output
         REVISION ID CHANGED
         ===================
 
-        @@ -1,2 +1,2 @@
+        @@ -1 +1 @@
         -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
         +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5
 
@@ -662,7 +662,7 @@ def output
         REVISION ID CHANGED
         ===================
 
-        @@ -1,2 +1,2 @@
+        @@ -1 +1 @@
         -cf4b8a020bdc1ba6914093a8a07a5514cce8a3a2979a967b1f32ea704a61785b
         +304566f86a620aae85797a3c491a51fb8c6ecf996407e77b8063aa3ee59672c5