diff --git a/cico_run_pydoc.sh b/cico_run_pydoc.sh
index a340c60..c88e810 100755
--- a/cico_run_pydoc.sh
+++ b/cico_run_pydoc.sh
@@ -5,7 +5,7 @@ set -ex
 prep() {
     yum -y update
     yum -y install epel-release
-    yum -y install python34 python34-virtualenv which
+    yum -y install python36 python36-virtualenv which
 }
 
 prep
diff --git a/cico_run_pylint.sh b/cico_run_pylint.sh
index 51b9666..79bbeaa 100755
--- a/cico_run_pylint.sh
+++ b/cico_run_pylint.sh
@@ -5,7 +5,7 @@ set -ex
 prep() {
     yum -y update
     yum -y install epel-release
-    yum -y install python34 python34-virtualenv which
+    yum -y install python36 python36-virtualenv which
 }
 
 # this script is copied by CI, we don't need it
diff --git a/cico_run_tests.sh b/cico_run_tests.sh
index 97ff738..70bfca3 100755
--- a/cico_run_tests.sh
+++ b/cico_run_tests.sh
@@ -5,7 +5,7 @@ set -ex
 prep() {
     yum -y update
     yum -y install epel-release
-    yum -y install python34 python34-virtualenv which libarchive
+    yum -y install python36 python36-virtualenv which libarchive
     yum -y install gcc git
 }