diff --git a/package.json b/package.json
index e2bc134..d4d3f39 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
 		"supertest": "^6.0.0",
 		"svelte": "^3.35.0",
 		"svelte-check": "^1.2.3",
-		"svelte-preprocess": "^4.6.9",
+		"svelte-preprocess": "4.6.9",
 		"ts-jest": "^26.1.1",
 		"typescript": "^4.0.2"
 	},
diff --git a/yarn.lock b/yarn.lock
index ba90024..4164968 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7306,7 +7306,17 @@ svelte-check@^1.2.3:
     svelte-preprocess "^4.0.0"
     typescript "*"
 
-svelte-preprocess@^4.0.0, svelte-preprocess@^4.6.9:
+svelte-preprocess@4.6.9:
+  version "4.6.9"
+  resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.6.9.tgz#073d923eb351b98b6c6a454ba5feee981cd9dbf5"
+  integrity sha512-SROWH0rB0DJ+0Ii264cprmNu/NJyZacs5wFD71ya93Cg/oA2lKHgQm4F6j0EWA4ktFMzeuJJm/eX6fka39hEHA==
+  dependencies:
+    "@types/pug" "^2.0.4"
+    "@types/sass" "^1.16.0"
+    detect-indent "^6.0.0"
+    strip-indent "^3.0.0"
+
+svelte-preprocess@^4.0.0:
   version "4.7.2"
   resolved "https://registry.yarnpkg.com/svelte-preprocess/-/svelte-preprocess-4.7.2.tgz#e16bf5cc152df8097485ce8c7842073a83a12b1e"
   integrity sha512-EToG+08rEsA33btv+C5g2qnRArwpTc5AoU0QBB3ZEkYagxAb2yPNsy0qsmtvbJOTBMy6o3oyijDdl3DMpMvpEg==