diff --git a/smalltalk-ci/Squeak-6.0.ston b/smalltalk-ci/Squeak-6.0.ston
index 45a050f..e527e3f 100644
--- a/smalltalk-ci/Squeak-6.0.ston
+++ b/smalltalk-ci/Squeak-6.0.ston
@@ -6,6 +6,7 @@ SmalltalkCISpec {
     #exclude : {
       #classes : [
         #AllocationTest,
+        #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
       ]
diff --git a/smalltalk-ci/Squeak-trunk.ston b/smalltalk-ci/Squeak-trunk.ston
index 45a050f..e527e3f 100644
--- a/smalltalk-ci/Squeak-trunk.ston
+++ b/smalltalk-ci/Squeak-trunk.ston
@@ -6,6 +6,7 @@ SmalltalkCISpec {
     #exclude : {
       #classes : [
         #AllocationTest,
+        #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
       ]
diff --git a/smalltalk-ci/Squeak64-6.0.ston b/smalltalk-ci/Squeak64-6.0.ston
index 45a050f..e527e3f 100644
--- a/smalltalk-ci/Squeak64-6.0.ston
+++ b/smalltalk-ci/Squeak64-6.0.ston
@@ -6,6 +6,7 @@ SmalltalkCISpec {
     #exclude : {
       #classes : [
         #AllocationTest,
+        #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
       ]
diff --git a/smalltalk-ci/Squeak64-trunk.ston b/smalltalk-ci/Squeak64-trunk.ston
index 45a050f..e527e3f 100644
--- a/smalltalk-ci/Squeak64-trunk.ston
+++ b/smalltalk-ci/Squeak64-trunk.ston
@@ -6,6 +6,7 @@ SmalltalkCISpec {
     #exclude : {
       #classes : [
         #AllocationTest,
+        #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
       ]