diff --git a/Dockerfile b/Dockerfile
index 5491912c5..54cf2d10e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,7 +68,7 @@ WORKDIR /code/
 COPY docker-compose-entrypoint.sh /usr/local/bin/
 COPY --from=docker-cli /usr/local/bin/docker /usr/local/bin/docker
 RUN pip install \
-    virtualenv==20.2.1 \
+    virtualenv==20.0.30 \
     tox==3.20.1
 COPY requirements-dev.txt .
 COPY requirements-indirect.txt .
diff --git a/requirements-indirect.txt b/requirements-indirect.txt
index dc5726eef..376c1c5ba 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==3.20.1
-virtualenv==20.2.1
+virtualenv==20.0.30
 wcwidth==0.2.5
diff --git a/script/build/windows.ps1 b/script/build/windows.ps1
index 5d16f3205..120cab33a 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==20.2.1'
+#        $ pip install 'virtualenv==20.0.30'
 #        $ Set-ExecutionPolicy -Scope CurrentUser RemoteSigned
 #
 # 5. Clone the repository:
diff --git a/script/setup/osx b/script/setup/osx
index 5415c12af..108ffd3e1 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==20.2.1
+  pip3 install virtualenv==20.0.30
 fi
 
 #