diff --git a/pyproject.toml b/pyproject.toml
index 6c96e46f..caf96713 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -181,7 +181,7 @@ dependencies = [
   "genomepy>=0.16.0",
   "sourmash>=4.8.0",
   "gimmemotifs>=0.18.0",
-  "memory-efficient-attention-pytorch>0.1.0",
+  "memory-efficient-attention-pytorch==0.1.6",
 ]
 
 [project.scripts]