diff --git a/Project.toml b/Project.toml
index 144f706..2d6426a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PkgAuthentication"
 uuid = "4722fa14-9d28-45f9-a1e2-a38605bd88f0"
 authors = ["Sebastian Pfitzner", "contributors"]
-version = "2.1.1"
+version = "2.1.2"
 
 [deps]
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
diff --git a/src/PkgAuthentication.jl b/src/PkgAuthentication.jl
index 28850ae..d981455 100644
--- a/src/PkgAuthentication.jl
+++ b/src/PkgAuthentication.jl
@@ -621,4 +621,6 @@ function generate_auth_handler(maxcount::Integer)
     return auth_handler
 end
 
+include("precompile.jl")
+
 end # module
diff --git a/src/precompile.jl b/src/precompile.jl
new file mode 100644
index 0000000..d6cdf8a
--- /dev/null
+++ b/src/precompile.jl
@@ -0,0 +1,2 @@
+precompile(authenticate, ())
+precompile(authenticate, (String,))