diff --git a/Dockerfile b/Dockerfile
index 90745f9c4..a49890aca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -46,7 +46,7 @@ ENTRYPOINT ["sh", "/usr/local/bin/docker-compose-entrypoint.sh"]
 COPY --from=docker-cli /usr/local/bin/docker /usr/local/bin/docker
 WORKDIR /code/
 # FIXME(chris-crone): virtualenv 16.3.0 breaks build, force 16.2.0 until fixed
-RUN pip install virtualenv==16.2.0
+RUN pip install virtualenv==20.0.29
 RUN pip install tox==2.9.1
 
 COPY requirements-indirect.txt .
diff --git a/requirements-indirect.txt b/requirements-indirect.txt
index b73c7e0d9..9f9c0aec0 100644
--- a/requirements-indirect.txt
+++ b/requirements-indirect.txt
@@ -24,5 +24,5 @@ smmap==3.0.4
 smmap2==3.0.1
 toml==0.10.1
 tox==2.9.1
-virtualenv==16.2.0
+virtualenv==20.0.29
 wcwidth==0.1.9
diff --git a/script/build/windows.ps1 b/script/build/windows.ps1
index 472b31ca1..b01feb750 100644
--- a/script/build/windows.ps1
+++ b/script/build/windows.ps1
@@ -16,7 +16,7 @@
 #
 # 4. In Powershell, run the following commands:
 #
-#        $ pip install 'virtualenv==16.2.0'
+#        $ pip install 'virtualenv==20.0.29'
 #        $ Set-ExecutionPolicy -Scope CurrentUser RemoteSigned
 #
 # 5. Clone the repository:
diff --git a/script/setup/osx b/script/setup/osx
index 678b7f22a..25b13ded2 100755
--- a/script/setup/osx
+++ b/script/setup/osx
@@ -36,7 +36,7 @@ if ! [ -x "$(command -v python3)" ]; then
   brew install python3
 fi
 if ! [ -x "$(command -v virtualenv)" ]; then
-  pip3 install virtualenv==16.2.0
+  pip3 install virtualenv==20.0.29
 fi
 
 #