diff --git a/src/WireMock.Net/Matchers/Request/RequestMessageCookieMatcher.cs b/src/WireMock.Net/Matchers/Request/RequestMessageCookieMatcher.cs
index 8e5d9b4a0..1ae4ff6cb 100644
--- a/src/WireMock.Net/Matchers/Request/RequestMessageCookieMatcher.cs
+++ b/src/WireMock.Net/Matchers/Request/RequestMessageCookieMatcher.cs
@@ -12,6 +12,7 @@ namespace WireMock.Matchers.Request
     public class RequestMessageCookieMatcher : IRequestMatcher
     {
         private readonly MatchBehaviour _matchBehaviour;
+        private readonly bool _ignoreCase;
 
         /// <value>
         /// The funcs.
@@ -41,6 +42,7 @@ public RequestMessageCookieMatcher(MatchBehaviour matchBehaviour, [NotNull] stri
             Check.NotNull(pattern, nameof(pattern));
 
             _matchBehaviour = matchBehaviour;
+            _ignoreCase = ignoreCase;
             Name = name;
             Matchers = new IStringMatcher[] { new WildcardMatcher(matchBehaviour, pattern, ignoreCase) };
         }
@@ -84,9 +86,12 @@ private double IsMatch(RequestMessage requestMessage)
                 return MatchBehaviourHelper.Convert(_matchBehaviour, MatchScores.Mismatch);
             }
 
+            // Check if we want to use IgnoreCase to compare the Cookie-Name and Cookie-Value
+            var cookies = !_ignoreCase ? requestMessage.Cookies : new Dictionary<string, string>(requestMessage.Cookies, StringComparer.OrdinalIgnoreCase);
+
             if (Funcs != null)
             {
-                return MatchScores.ToScore(Funcs.Any(f => f(requestMessage.Cookies)));
+                return MatchScores.ToScore(Funcs.Any(f => f(cookies)));
             }
 
             if (Matchers == null)
@@ -94,12 +99,12 @@ private double IsMatch(RequestMessage requestMessage)
                 return MatchScores.Mismatch;
             }
 
-            if (!requestMessage.Cookies.ContainsKey(Name))
+            if (!cookies.ContainsKey(Name))
             {
                 return MatchBehaviourHelper.Convert(_matchBehaviour, MatchScores.Mismatch);
             }
 
-            string value = requestMessage.Cookies[Name];
+            string value = cookies[Name];
             return Matchers.Max(m => m.IsMatch(value));
         }
     }
diff --git a/src/WireMock.Net/Matchers/Request/RequestMessageHeaderMatcher.cs b/src/WireMock.Net/Matchers/Request/RequestMessageHeaderMatcher.cs
index f8e16d5cc..d60c30fd7 100644
--- a/src/WireMock.Net/Matchers/Request/RequestMessageHeaderMatcher.cs
+++ b/src/WireMock.Net/Matchers/Request/RequestMessageHeaderMatcher.cs
@@ -14,6 +14,7 @@ namespace WireMock.Matchers.Request
     public class RequestMessageHeaderMatcher : IRequestMatcher
     {
         private readonly MatchBehaviour _matchBehaviour;
+        private readonly bool _ignoreCase;
 
         /// <summary>
         /// The functions
@@ -43,6 +44,7 @@ public RequestMessageHeaderMatcher(MatchBehaviour matchBehaviour, [NotNull] stri
             Check.NotNull(pattern, nameof(pattern));
 
             _matchBehaviour = matchBehaviour;
+            _ignoreCase = ignoreCase;
             Name = name;
             Matchers = new IStringMatcher[] { new WildcardMatcher(matchBehaviour, pattern, ignoreCase) };
         }
@@ -60,6 +62,7 @@ public RequestMessageHeaderMatcher(MatchBehaviour matchBehaviour, [NotNull] stri
             Check.NotNull(patterns, nameof(patterns));
 
             _matchBehaviour = matchBehaviour;
+            _ignoreCase = ignoreCase;
             Name = name;
             Matchers = patterns.Select(pattern => new WildcardMatcher(matchBehaviour, pattern, ignoreCase)).Cast<IStringMatcher>().ToArray();
         }
@@ -103,9 +106,12 @@ private double IsMatch(RequestMessage requestMessage)
                 return MatchBehaviourHelper.Convert(_matchBehaviour, MatchScores.Mismatch);
             }
 
+            // Check if we want to use IgnoreCase to compare the Header-Name and Header-Value(s)
+            var headers = !_ignoreCase ? requestMessage.Headers : new Dictionary<string, WireMockList<string>>(requestMessage.Headers, StringComparer.OrdinalIgnoreCase);
+
             if (Funcs != null)
             {
-                return MatchScores.ToScore(Funcs.Any(f => f(requestMessage.Headers.ToDictionary(entry => entry.Key, entry => entry.Value.ToArray()))));
+                return MatchScores.ToScore(Funcs.Any(f => f(headers.ToDictionary(entry => entry.Key, entry => entry.Value.ToArray()))));
             }
 
             if (Matchers == null)
@@ -113,12 +119,12 @@ private double IsMatch(RequestMessage requestMessage)
                 return MatchScores.Mismatch;
             }
 
-            if (!requestMessage.Headers.ContainsKey(Name))
+            if (!headers.ContainsKey(Name))
             {
                 return MatchBehaviourHelper.Convert(_matchBehaviour, MatchScores.Mismatch);
             }
 
-            WireMockList<string> list = requestMessage.Headers[Name];
+            WireMockList<string> list = headers[Name];
             return Matchers.Max(m => list.Max(value => m.IsMatch(value))); // TODO : is this correct ?
         }
     }
diff --git a/test/WireMock.Net.Tests/RequestMatchers/RequestMessageCookieMatcherTests.cs b/test/WireMock.Net.Tests/RequestMatchers/RequestMessageCookieMatcherTests.cs
index b70914d90..64a4029cb 100644
--- a/test/WireMock.Net.Tests/RequestMatchers/RequestMessageCookieMatcherTests.cs
+++ b/test/WireMock.Net.Tests/RequestMatchers/RequestMessageCookieMatcherTests.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using NFluent;
 using WireMock.Matchers;
 using WireMock.Matchers.Request;
@@ -134,5 +133,37 @@ public void RequestMessageCookieMatcher_GetMatchingScore_Func_Match()
             // Assert
             Check.That(score).IsEqualTo(1.0d);
         }
+
+        [Fact]
+        public void RequestMessageCookieMatcher_GetMatchingScore_CaseIgnoreForCookieValue()
+        {
+            // Assign
+            var cookies = new Dictionary<string, string> { { "cook", "teST" } };
+            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1", null, null, cookies);
+            var matcher = new RequestMessageCookieMatcher(MatchBehaviour.AcceptOnMatch, "cook", "test", true);
+
+            // Act
+            var result = new RequestMatchResult();
+            double score = matcher.GetMatchingScore(requestMessage, result);
+
+            // Assert
+            Check.That(score).IsEqualTo(1.0d);
+        }
+
+        [Fact]
+        public void RequestMessageCookieMatcher_GetMatchingScore_CaseIgnoreForCookieName()
+        {
+            // Assign
+            var cookies = new Dictionary<string, string> { { "cook", "teST" } };
+            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1", null, null, cookies);
+            var matcher = new RequestMessageCookieMatcher(MatchBehaviour.AcceptOnMatch, "CooK", "test", true);
+
+            // Act
+            var result = new RequestMatchResult();
+            double score = matcher.GetMatchingScore(requestMessage, result);
+
+            // Assert
+            Check.That(score).IsEqualTo(1.0d);
+        }
     }
 }
\ No newline at end of file
diff --git a/test/WireMock.Net.Tests/RequestMatchers/RequestMessageHeaderMatcherTests.cs b/test/WireMock.Net.Tests/RequestMatchers/RequestMessageHeaderMatcherTests.cs
index 902167beb..51ee09fad 100644
--- a/test/WireMock.Net.Tests/RequestMatchers/RequestMessageHeaderMatcherTests.cs
+++ b/test/WireMock.Net.Tests/RequestMatchers/RequestMessageHeaderMatcherTests.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using NFluent;
 using WireMock.Matchers;
 using WireMock.Matchers.Request;
@@ -134,5 +133,37 @@ public void RequestMessageHeaderMatcher_GetMatchingScore_Func_Match()
             // Assert
             Check.That(score).IsEqualTo(1.0d);
         }
+
+        [Fact]
+        public void RequestMessageHeaderMatcher_GetMatchingScore_CaseIgnoreForHeaderValue()
+        {
+            // Assign
+            var headers = new Dictionary<string, string[]> { { "h", new[] { "teST" } } };
+            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1", null, headers);
+            var matcher = new RequestMessageHeaderMatcher(MatchBehaviour.AcceptOnMatch, "h", "test", true);
+
+            // Act
+            var result = new RequestMatchResult();
+            double score = matcher.GetMatchingScore(requestMessage, result);
+
+            // Assert
+            Check.That(score).IsEqualTo(1.0d);
+        }
+
+        [Fact]
+        public void RequestMessageHeaderMatcher_GetMatchingScore_CaseIgnoreForHeaderName()
+        {
+            // Assign
+            var headers = new Dictionary<string, string[]> { { "teST", new[] { "x" } } };
+            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1", null, headers);
+            var matcher = new RequestMessageHeaderMatcher(MatchBehaviour.AcceptOnMatch, "TEST", "x", true);
+
+            // Act
+            var result = new RequestMatchResult();
+            double score = matcher.GetMatchingScore(requestMessage, result);
+
+            // Assert
+            Check.That(score).IsEqualTo(1.0d);
+        }
     }
 }
\ No newline at end of file