diff --git a/deno.json b/deno.json
index a5b594d..0fbe9fc 100644
--- a/deno.json
+++ b/deno.json
@@ -5,7 +5,7 @@
   "license": "MIT",
   "imports": {
     "steno": "jsr:@steno/steno@^0.9.0",
-    "@std/assert": "jsr:@std/assert@^1.0.0",
+    "@std/assert": "jsr:@std/assert@^1.0.19",
     "@std/path": "jsr:@std/path@^1.0.0",
     "@std/fs": "jsr:@std/fs@^1.0.0",
     "sharp": "npm:sharp@^0.35.3"
diff --git a/deno.lock b/deno.lock
index e211e06..e897e3c 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1,7 +1,7 @@
 {
   "version": "5",
   "specifiers": {
-    "jsr:@std/assert@1": "1.0.19",
+    "jsr:@std/assert@^1.0.19": "1.0.19",
     "jsr:@std/collections@^1.1.3": "1.3.0",
     "jsr:@std/fs@1": "1.0.24",
     "jsr:@std/internal@^1.0.12": "1.0.14",
@@ -287,7 +287,7 @@
   },
   "workspace": {
     "dependencies": [
-      "jsr:@std/assert@1",
+      "jsr:@std/assert@^1.0.19",
       "jsr:@std/fs@1",
       "jsr:@std/path@1",
       "jsr:@steno/steno@0.9",