diff --git a/src/rebar_appups.erl b/src/rebar_appups.erl
index dbc1561..ab5af29 100644
--- a/src/rebar_appups.erl
+++ b/src/rebar_appups.erl
@@ -86,9 +86,9 @@
 %% ===================================================================
 
 get_upgraded_apps(OldAppFiles, NewAppFiles) ->
-    OldAppsVer = [{rebar_app_utils:app_name(AppFile), 
+    OldAppsVer = [{rebar_app_utils:app_name(AppFile),
                    rebar_app_utils:app_vsn(AppFile)} || AppFile <- OldAppFiles],
-    NewAppsVer = [{rebar_app_utils:app_name(AppFile), 
+    NewAppsVer = [{rebar_app_utils:app_name(AppFile),
                    rebar_app_utils:app_vsn(AppFile)} || AppFile <- NewAppFiles],
     UpgradedApps = lists:subtract(NewAppsVer, OldAppsVer),
     lists:map(
diff --git a/src/rebar_rel_utils.erl b/src/rebar_rel_utils.erl
index 94a10b0..9729e20 100644
--- a/src/rebar_rel_utils.erl
+++ b/src/rebar_rel_utils.erl
@@ -26,7 +26,7 @@
 %% -------------------------------------------------------------------
 -module(rebar_rel_utils).
 
--export([is_rel_dir/0, 
+-export([is_rel_dir/0,
          is_rel_dir/1,
          get_reltool_release_info/1,
          get_rel_release_info/1,
@@ -73,7 +73,7 @@ get_rel_release_info(Name, Path) ->
     [RelFile] = filelib:wildcard(filename:join([Path, "releases", "*",
                                                 Name ++ ".rel"])),
     [BinDir|_] = re:replace(RelFile, Name ++ "\\.rel", ""),
-    get_rel_release_info(filename:join([binary_to_list(BinDir), 
+    get_rel_release_info(filename:join([binary_to_list(BinDir),
                                         Name ++ ".rel"])).
 
 %% Get the previous release path from a global variable
diff --git a/src/rebar_upgrade.erl b/src/rebar_upgrade.erl
index a1b34df..39b2c61 100644
--- a/src/rebar_upgrade.erl
+++ b/src/rebar_upgrade.erl
@@ -39,7 +39,7 @@
 'generate-upgrade'(_Config, ReltoolFile) ->
     %% Get the old release path
     OldVerPath = rebar_rel_utils:get_previous_release_path(),
-    
+
     %% Run checks to make sure that building a package is possible
     {NewName, NewVer} = run_checks(OldVerPath, ReltoolFile),
     NameVer = NewName ++ "_" ++ NewVer,