3 files changed, 3 insertions, 3 deletions
diff --git a/lib/mix/lib/mix/tasks/profile.cprof.ex b/lib/mix/lib/mix/tasks/profile.cprof.ex
index c538353e5..0e811565d 100644
--- a/lib/mix/lib/mix/tasks/profile.cprof.ex
+++ b/lib/mix/lib/mix/tasks/profile.cprof.ex
@@ -168,7 +168,7 @@ defmodule Mix.Tasks.Profile.Cprof do
     * `:module` - filters out any results not pertaining to the given module
 
   """
-  @spec profile((-> any()), keyword()) :: any()
+  @spec profile((-> result), keyword()) :: result when result: any()
   def profile(fun, opts \\ []) when is_function(fun, 0) do
     Mix.ensure_application!(:tools)
     {return_value, num_matched_functions, analysis_result} = profile_and_analyse(fun, opts)
diff --git a/lib/mix/lib/mix/tasks/profile.eprof.ex b/lib/mix/lib/mix/tasks/profile.eprof.ex
index 3e4532f09..36cc25984 100644
--- a/lib/mix/lib/mix/tasks/profile.eprof.ex
+++ b/lib/mix/lib/mix/tasks/profile.eprof.ex
@@ -183,7 +183,7 @@ defmodule Mix.Tasks.Profile.Eprof do
     * `:sort` - sort the results by `:time` or `:calls` (default: `:time`)
 
   """
-  @spec profile((-> any()), keyword()) :: any()
+  @spec profile((-> result), keyword()) :: result when result: any()
   def profile(fun, opts \\ []) when is_function(fun, 0) do
     Mix.ensure_application!(:tools)
     {return_value, results} = profile_and_analyse(fun, opts)
diff --git a/lib/mix/lib/mix/tasks/profile.fprof.ex b/lib/mix/lib/mix/tasks/profile.fprof.ex
index 7dbc80b8e..f2431bdc4 100644
--- a/lib/mix/lib/mix/tasks/profile.fprof.ex
+++ b/lib/mix/lib/mix/tasks/profile.fprof.ex
@@ -180,7 +180,7 @@ defmodule Mix.Tasks.Profile.Fprof do
       usage for larger workloads.
 
   """
-  @spec profile((-> any()), keyword()) :: any()
+  @spec profile((-> result), keyword()) :: result when result: any()
   def profile(fun, opts \\ []) when is_function(fun, 0) do
     Mix.ensure_application!(:runtime_tools)
     Mix.ensure_application!(:tools)