diff --git a/.denov b/.denov
index 5bc2965..4e0bea4 100644
--- a/.denov
+++ b/.denov
@@ -1 +1 @@
-v0.29.0
\ No newline at end of file
+v0.31.0
\ No newline at end of file
diff --git a/modules-lock.json b/modules-lock.json
index 7687f39..9fe030f 100644
--- a/modules-lock.json
+++ b/modules-lock.json
@@ -1,6 +1,6 @@
 {
   "https://deno.land/std": {
-    "version": "@v0.29.0",
+    "version": "@v0.31.0",
     "modules": ["/testing/mod.ts", "/testing/asserts.ts"]
   }
 }
diff --git a/modules.json b/modules.json
index 7687f39..9fe030f 100644
--- a/modules.json
+++ b/modules.json
@@ -1,6 +1,6 @@
 {
   "https://deno.land/std": {
-    "version": "@v0.29.0",
+    "version": "@v0.31.0",
     "modules": ["/testing/mod.ts", "/testing/asserts.ts"]
   }
 }
diff --git a/vendor/https/deno.land/std/testing/asserts.ts b/vendor/https/deno.land/std/testing/asserts.ts
index 9012298..811f382 100644
--- a/vendor/https/deno.land/std/testing/asserts.ts
+++ b/vendor/https/deno.land/std/testing/asserts.ts
@@ -1 +1 @@
-export * from "https://deno.land/std@v0.29.0/testing/asserts.ts";
+export * from "https://deno.land/std@v0.31.0/testing/asserts.ts";
diff --git a/vendor/https/deno.land/std/testing/mod.ts b/vendor/https/deno.land/std/testing/mod.ts
index ef719b4..6a37e0e 100644
--- a/vendor/https/deno.land/std/testing/mod.ts
+++ b/vendor/https/deno.land/std/testing/mod.ts
@@ -1 +1 @@
-export * from "https://deno.land/std@v0.29.0/testing/mod.ts";
+export * from "https://deno.land/std@v0.31.0/testing/mod.ts";