diff --git a/src/deps.ts b/src/deps.ts
new file mode 100644
index 0000000..0544dde
--- /dev/null
+++ b/src/deps.ts
@@ -0,0 +1,2 @@
+export { readLines } from 'https://deno.land/std@0.178.0/io/mod.ts';
+export { Keydb } from 'https://deno.land/x/keydb@1.0.0/sqlite.ts';
diff --git a/src/policies/anti-duplication-policy.ts b/src/policies/anti-duplication-policy.ts
index 7bb032f..a943749 100755
--- a/src/policies/anti-duplication-policy.ts
+++ b/src/policies/anti-duplication-policy.ts
@@ -1,7 +1,6 @@
 #!/bin/sh
 //bin/true; exec deno run -A "$0" "$@"
-import { readLines } from 'https://deno.land/std@0.178.0/io/mod.ts';
-import { Keydb } from 'https://deno.land/x/keydb@1.0.0/sqlite.ts';
+import { Keydb, readLines } from '../deps.ts';
 
 import type { InputMessage, OutputMessage } from '../types.ts';
 
diff --git a/src/policies/hellthread-policy.ts b/src/policies/hellthread-policy.ts
index 2120dbf..6842176 100755
--- a/src/policies/hellthread-policy.ts
+++ b/src/policies/hellthread-policy.ts
@@ -1,5 +1,5 @@
 #!/usr/bin/env -S deno run
-import { readLines } from 'https://deno.land/std@0.178.0/io/mod.ts';
+import { readLines } from '../deps.ts';
 
 import type { InputMessage, OutputMessage } from '../types.ts';
 
diff --git a/src/policies/noop-policy.ts b/src/policies/noop-policy.ts
index 912ed46..1942e3a 100755
--- a/src/policies/noop-policy.ts
+++ b/src/policies/noop-policy.ts
@@ -1,5 +1,5 @@
 #!/usr/bin/env -S deno run
-import { readLines } from 'https://deno.land/std@0.178.0/io/mod.ts';
+import { readLines } from '../deps.ts';
 
 import type { InputMessage, OutputMessage } from '../types.ts';
 
diff --git a/src/policies/rate-limit-policy.ts b/src/policies/rate-limit-policy.ts
index 1e14f2f..906f242 100755
--- a/src/policies/rate-limit-policy.ts
+++ b/src/policies/rate-limit-policy.ts
@@ -1,7 +1,6 @@
 #!/bin/sh
 //bin/true; exec deno run -A "$0" "$@"
-import { readLines } from 'https://deno.land/std@0.178.0/io/mod.ts';
-import { Keydb } from 'https://deno.land/x/keydb@1.0.0/sqlite.ts';
+import { Keydb, readLines } from '../deps.ts';
 
 import type { InputMessage, OutputMessage } from '../types.ts';
 
diff --git a/src/policies/read-only-policy.ts b/src/policies/read-only-policy.ts
index 998dcc6..881a9a8 100755
--- a/src/policies/read-only-policy.ts
+++ b/src/policies/read-only-policy.ts
@@ -1,6 +1,6 @@
 #!/bin/sh
 //bin/true; exec deno run -A "$0" "$@"
-import { readLines } from 'https://deno.land/std@0.178.0/io/mod.ts';
+import { readLines } from '../deps.ts';
 
 import type { InputMessage, OutputMessage } from '../types.ts';