diff --git a/12/requirements.txt b/12/requirements.txt
index 267b8e9..bd808f3 100644
--- a/12/requirements.txt
+++ b/12/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/15/requirements.txt b/15/requirements.txt
index 267b8e9..bd808f3 100644
--- a/15/requirements.txt
+++ b/15/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/18/requirements.txt b/18/requirements.txt
index 267b8e9..bd808f3 100644
--- a/18/requirements.txt
+++ b/18/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/21/requirements.txt b/21/requirements.txt
index 267b8e9..bd808f3 100644
--- a/21/requirements.txt
+++ b/21/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/24/requirements.txt b/24/requirements.txt
index 267b8e9..bd808f3 100644
--- a/24/requirements.txt
+++ b/24/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/3/requirements.txt b/3/requirements.txt
index 267b8e9..bd808f3 100644
--- a/3/requirements.txt
+++ b/3/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/6/requirements.txt b/6/requirements.txt
index 267b8e9..bd808f3 100644
--- a/6/requirements.txt
+++ b/6/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/9/requirements.txt b/9/requirements.txt
index 267b8e9..bd808f3 100644
--- a/9/requirements.txt
+++ b/9/requirements.txt
@@ -36,7 +36,7 @@ findspark==1.1.0
 Flask==1.0.4
 freezegun==0.3.12
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4
 hashids==1.3.1
 html2text==2018.1.9
diff --git a/requirements9.txt b/requirements9.txt
index f739af5..a83a083 100644
--- a/requirements9.txt
+++ b/requirements9.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.12.1
-google-auth==1.21.2
+google-auth==1.28.0
 google-auth-httplib2==0.0.4