diff --git a/Makefile b/Makefile
index f127f17..6f7b524 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ VERSION      ?= $(shell git describe --tags --always --dirty)
 setup: virtualenv requirements-dev
 
 virtualenv:
-	@python -m venv $(VENV)
+	@python3 -m venv $(VENV)
 
 clean:
 	@rm -rf $(VENV)
diff --git a/requirements.txt b/requirements.txt
index c634bd6..c7ad240 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ click==7.1.2
 Flask==1.1.2
 itsdangerous==1.1.0
 Jinja2==3.1.5
-MarkupSafe==1.1.1
+MarkupSafe==2.1.1
 Werkzeug==3.0.6
 prometheus-client==0.8.0
 uWSGI==2.0.19.1