diff --git a/oidc_example/simple_rp/requirements.txt b/oidc_example/simple_rp/requirements.txt
index 8c9002cd..84a69c1f 100644
--- a/oidc_example/simple_rp/requirements.txt
+++ b/oidc_example/simple_rp/requirements.txt
@@ -1,4 +1,5 @@
-oic==0.7.6
+oic==1.2.1
 pyjwkest==1.0.1
 cherrypy==3.2.4
-pyaml==15.03.1
\ No newline at end of file
+pyaml==15.03.1
+mako>=1.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file