diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index 4dd42d94f8..85c10c3575 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -202,7 +202,7 @@ python-levenshtein==0.12.0
 python-memcached==1.59
 python-openid==2.2.5 ; python_version == "2.7"  # via social-auth-core
 python-swiftclient==3.7.0
-python3-saml==1.6.0
+python3-saml==1.5.0
 pytz==2019.1
 pyuca==1.1
 pyyaml==5.1
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index 50cfce46bc..196ddb5b96 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -286,7 +286,7 @@ python-openid==2.2.5 ; python_version == "2.7"
 python-slugify==1.2.6
 python-subunit==1.3.0
 python-swiftclient==3.7.0
-python3-saml==1.6.0
+python3-saml==1.5.0
 pytz==2019.1
 pyuca==1.1
 pyyaml==5.1
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index 5b94b50c50..499a44e429 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -277,7 +277,7 @@ python-openid==2.2.5 ; python_version == "2.7"
 python-slugify==1.2.6     # via code-annotations, transifex-client
 python-subunit==1.3.0
 python-swiftclient==3.7.0
-python3-saml==1.6.0
+python3-saml==1.5.0
 pytz==2019.1
 pyuca==1.1
 pyyaml==5.1