diff --git a/docker.make b/docker.make
index 12f03468a..911c4b08b 100644
--- a/docker.make
+++ b/docker.make
@@ -66,8 +66,9 @@ build_libmaxmind:
 build_deps: build_datamaps build_libmaxmind
 
 build_python_deps:
+	$(PIP) install --upgrade pip~=20.2.0
 	$(PIP) install --no-cache-dir --disable-pip-version-check --require-hashes \
-	    -r requirements/default.txt
+	    -r requirements/default.txt --use-feature=2020-resolver
 	$(PIP) check --disable-pip-version-check
 
 build_geocalc: