diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 4fcd556..97b2020 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -3,5 +3,5 @@ updates:
 - package-ecosystem: gitsubmodule
   directory: "/"
   schedule:
-    interval: daily
+    interval: monthly
   open-pull-requests-limit: 10
diff --git a/deps/libtomcrypt b/deps/libtomcrypt
index cacfc2d..427ce33 160000
--- a/deps/libtomcrypt
+++ b/deps/libtomcrypt
@@ -1 +1 @@
-Subproject commit cacfc2dc047518a90900638f1417a8544ac1e555
+Subproject commit 427ce3315e8907615a6ff9629b4c2e6c12a75a35
diff --git a/deps/premake/libtomcrypt.lua b/deps/premake/libtomcrypt.lua
index 8810435..d6a7713 100644
--- a/deps/premake/libtomcrypt.lua
+++ b/deps/premake/libtomcrypt.lua
@@ -27,6 +27,7 @@ end
 function libtomcrypt.project()
 	project "libtomcrypt"
 		language "C"
+		cdialect "C89"
 
 		libtomcrypt.includes()
 		libtommath.import()
diff --git a/deps/premake/libtommath.lua b/deps/premake/libtommath.lua
index c9abaa4..11b8020 100644
--- a/deps/premake/libtommath.lua
+++ b/deps/premake/libtommath.lua
@@ -30,6 +30,7 @@ end
 function libtommath.project()
 	project "libtommath"
 		language "C"
+		cdialect "C89"
 
 		libtommath.includes()
 
diff --git a/premake5.lua b/premake5.lua
index 762c7c5..a2228cd 100644
--- a/premake5.lua
+++ b/premake5.lua
@@ -60,7 +60,6 @@ filter "platforms:arm64"
 filter {}
 
 filter {"system:windows"}
-	toolset "clang"
 	systemversion "latest"
 filter {}