diff --git a/.envrc b/.envrc
index a54837c..1f20c18 100644
--- a/.envrc
+++ b/.envrc
@@ -25,6 +25,10 @@ if (($(echo $(direnv_layout_dir)/python* | wc --words) > 1)); then
   du -sh .direnv/*
 fi
 
+if ! pip list | grep pynvim > /dev/null; then
+  log_error "python: Missing pynvim module"
+fi
+
 # neovim remote
 if [[ ! -x $HOME/.local/bin/nvr ]]; then
   log_error "Neovim remote (nvr) not found"
diff --git a/requirements.txt b/requirements.txt
index 7a3ca4c..657a2ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,3 @@
-greenlet==2.0.2
-msgpack==1.0.5
-neovim-remote==2.5.1
-psutil==5.9.4
-pynvim==0.4.3
+greenlet==3.0.3
+msgpack==1.0.8
+pynvim==0.5.0