diff --git a/Project.toml b/Project.toml
index 5ff152cae..96cc52e26 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,7 +21,7 @@ Compat = "2.2, 3"
 Distances = "0.9.1, 0.10"
 Functors = "0.1"
 Requires = "1.0.1"
-SpecialFunctions = "0.8, 0.9, 0.10"
+SpecialFunctions = "0.8, 0.9, 0.10, 1.0"
 StatsBase = "0.32, 0.33"
 StatsFuns = "0.8, 0.9"
 ZygoteRules = "0.2"
diff --git a/test/Project.toml b/test/Project.toml
index 8c057e260..7a3c5a0dc 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -22,5 +22,5 @@ ForwardDiff = "0.10"
 Kronecker = "0.4"
 PDMats = "0.9, 0.10"
 ReverseDiff = "1.2"
-SpecialFunctions = "0.10"
+SpecialFunctions = "0.10, 1"
 Zygote = "0.4, 0.5"