diff --git a/src/azure-cli-core/setup.py b/src/azure-cli-core/setup.py
index c75441da71a..1e967dbc48d 100644
--- a/src/azure-cli-core/setup.py
+++ b/src/azure-cli-core/setup.py
@@ -43,7 +43,7 @@
 ]
 
 DEPENDENCIES = [
-    'adal~=1.2.3',
+    'adal~=1.2.6',
     'argcomplete~=1.8',
     'azure-cli-telemetry==1.0.6.*',
     'colorama~=0.4.1',
diff --git a/src/azure-cli/requirements.py3.Darwin.txt b/src/azure-cli/requirements.py3.Darwin.txt
index 7f7fd10c858..164960aa469 100644
--- a/src/azure-cli/requirements.py3.Darwin.txt
+++ b/src/azure-cli/requirements.py3.Darwin.txt
@@ -1,4 +1,4 @@
-adal==1.2.3
+adal==1.2.6
 antlr4-python3-runtime==4.7.2
 applicationinsights==0.11.9
 argcomplete==1.11.1
diff --git a/src/azure-cli/requirements.py3.Linux.txt b/src/azure-cli/requirements.py3.Linux.txt
index 7f7fd10c858..164960aa469 100644
--- a/src/azure-cli/requirements.py3.Linux.txt
+++ b/src/azure-cli/requirements.py3.Linux.txt
@@ -1,4 +1,4 @@
-adal==1.2.3
+adal==1.2.6
 antlr4-python3-runtime==4.7.2
 applicationinsights==0.11.9
 argcomplete==1.11.1
diff --git a/src/azure-cli/requirements.py3.windows.txt b/src/azure-cli/requirements.py3.windows.txt
index c0713a0ca65..457387b0ec2 100644
--- a/src/azure-cli/requirements.py3.windows.txt
+++ b/src/azure-cli/requirements.py3.windows.txt
@@ -1,4 +1,4 @@
-adal==1.2.3
+adal==1.2.6
 antlr4-python3-runtime==4.7.2
 applicationinsights==0.11.7
 argcomplete==1.11.1