diff --git a/python-interpreter-builder/scripts/build-python-3.6.sh b/python-interpreter-builder/scripts/build-python-3.6.sh
index fc19fc5e..63a09d2f 100755
--- a/python-interpreter-builder/scripts/build-python-3.6.sh
+++ b/python-interpreter-builder/scripts/build-python-3.6.sh
@@ -6,14 +6,14 @@ set -x
 # Get the source
 mkdir -p /opt/sources
 cd /opt/sources
-wget --no-verbose https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz
+wget --no-verbose https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
 # SHA-256 generated via `shasum -a 256 [file]`
 shasum --check <<EOF
-7dc453e1a93c083388eb1a23a256862407f8234a96dc4fae0fc7682020227486  Python-3.6.4.tgz
+53a3e17d77cd15c5230192b6a8c1e031c07cd9f34a2f089a731c6f6bd343d5c6  Python-3.6.5.tgz
 EOF
-tar xzf Python-3.6.4.tgz
+tar xzf Python-3.6.5.tgz
 
-cd Python-3.6.4
+cd Python-3.6.5
 
 # Explanation of flags:
 #
@@ -146,8 +146,8 @@ find "$PREFIX"/lib/python3.6/test \
 
 # Clean-up sources
 cd /opt
-rm /opt/sources/Python-3.6.4.tgz
-rm -r /opt/sources/Python-3.6.4
+rm /opt/sources/Python-3.6.5.tgz
+rm -r /opt/sources/Python-3.6.5
 
 # Archive and copy to persistent external volume
 tar czf /workspace/runtime-image/interpreter-3.6.tar.gz /opt/python3.6
diff --git a/tests/no-virtualenv/no-virtualenv.yaml b/tests/no-virtualenv/no-virtualenv.yaml
index 1015b0da..2d6e5052 100644
--- a/tests/no-virtualenv/no-virtualenv.yaml
+++ b/tests/no-virtualenv/no-virtualenv.yaml
@@ -43,7 +43,7 @@ commandTests:
     expectedOutput: ["/usr/local/bin/python3\n"]
   - name: "default python3 version"
     command: ["python3", "--version"]
-    expectedOutput: ["Python 3.6.4\n"]
+    expectedOutput: ["Python 3.6.5\n"]
   - name: "default pip3 installation"
     command: ["which", "pip3"]
     expectedOutput: ["/usr/local/bin/pip3\n"]
diff --git a/tests/virtualenv/virtualenv_python36.yaml b/tests/virtualenv/virtualenv_python36.yaml
index 132e0fde..c8578cca 100644
--- a/tests/virtualenv/virtualenv_python36.yaml
+++ b/tests/virtualenv/virtualenv_python36.yaml
@@ -25,7 +25,7 @@ commandTests:
   - name: "virtualenv36 python version"
     setup: [["virtualenv", "-p", "python3.6", "/env"]]
     command: ["python", "--version"]
-    expectedOutput: ["Python 3.6.4\n"]
+    expectedOutput: ["Python 3.6.5\n"]
 
   - name: "virtualenv36 pip installation"
     setup: [["virtualenv", "-p", "python3.6", "/env"]]