diff --git a/docs/Manifest.toml b/docs/Manifest.toml
index 06a303c..0342717 100644
--- a/docs/Manifest.toml
+++ b/docs/Manifest.toml
@@ -396,9 +396,9 @@ uuid = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [[SpecialFunctions]]
 deps = ["ChainRulesCore", "IrrationalConstants", "LogExpFunctions", "OpenLibm_jll", "OpenSpecFun_jll"]
-git-tree-sha1 = "e2cfc4012a19088254b3950b85c3c1d8882d864d"
+git-tree-sha1 = "2f5d4697f21388cbe1ff299430dd169ef97d7e14"
 uuid = "276daf66-3868-5448-9aa4-cd146d93841b"
-version = "2.3.1"
+version = "2.4.0"
 
 [[SplittablesBase]]
 deps = ["Setfield", "Test"]
diff --git a/test/environments/main/Manifest.toml b/test/environments/main/Manifest.toml
index 8aedead..9a5fc29 100644
--- a/test/environments/main/Manifest.toml
+++ b/test/environments/main/Manifest.toml
@@ -391,9 +391,9 @@ uuid = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [[SpecialFunctions]]
 deps = ["ChainRulesCore", "IrrationalConstants", "LogExpFunctions", "OpenLibm_jll", "OpenSpecFun_jll"]
-git-tree-sha1 = "e2cfc4012a19088254b3950b85c3c1d8882d864d"
+git-tree-sha1 = "2f5d4697f21388cbe1ff299430dd169ef97d7e14"
 uuid = "276daf66-3868-5448-9aa4-cd146d93841b"
-version = "2.3.1"
+version = "2.4.0"
 
 [[SplittablesBase]]
 deps = ["Setfield", "Test"]