diff --git a/requirements/ci_base.txt b/requirements/ci_base.txt
index c195aeb29258..1fc79b7bdf7d 100644
--- a/requirements/ci_base.txt
+++ b/requirements/ci_base.txt
@@ -12,9 +12,9 @@ tox==3.20.1 \
     --hash=sha256:4321052bfe28f9d85082341ca8e233e3ea901fdd14dab8a5d3fbd810269fbaf6
 
 # Dependencies of Tox
-virtualenv==20.2.2 \
-    --hash=sha256:54b05fc737ea9c9ee9f8340f579e5da5b09fb64fd010ab5757eb90268616907c \
-    --hash=sha256:b7a8ec323ee02fb2312f098b6b4c9de99559b462775bc8fe3627a73706603c1b
+virtualenv==20.4.0 \
+    --hash=sha256:227a8fed626f2f20a6cdb0870054989f82dd27b2560a911935ba905a2a5e0034 \
+    --hash=sha256:219ee956e38b08e32d5639289aaa5bd190cfbe7dafcb8fa65407fca08e808f9c
 six==1.15.0 \
     --hash=sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced \
     --hash=sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259