diff --git a/Project.toml b/Project.toml
index eee3968..51de600 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,6 +16,6 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 FillArrays = "^0.9"
 Flux = "^0.11"
 NNlib = "^0.7"
-SpecialFunctions = "^1.0"
+SpecialFunctions = "^0.10"
 Zygote = "~0.5.4"
 julia = "^1.4"