diff --git a/Makefile b/Makefile
index d952e0f..5749492 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,6 @@ typecheck: venv/.done
 
 venv/.done: requirements.txt
 	python3.8 -m venv venv
-	venv/bin/python3 -m pip install wheel
+	venv/bin/python3 -m pip install wheel pip --upgrade
 	venv/bin/python3 -m pip install -r $^
 	touch $@
diff --git a/requirements.txt b/requirements.txt
index a9abf93..b969a61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ pytest==6.2.2
 pytest-integration==0.2.2
 pywasm==1.0.7
 pywasm3==0.5.0
-wasmer==1.0.0
-wasmer_compiler_cranelift==1.0.0
+wasmer==1.1.0
+wasmer_compiler_cranelift==1.1.0
 wasmtime==0.36.0