diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2b1b40c3..42486929 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v1
       with:
-        go-version: 1.13
+        go-version: 1.15
     - uses: actions/checkout@v2
     - run: make -j all
     - run: make -j test
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5d2a09fa..e54f9f5b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v1
         with:
-          go-version: 1.13
+          go-version: 1.15
       - run: make -j upload
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/go.mod b/go.mod
index 7aa4b934..921113c0 100644
--- a/go.mod
+++ b/go.mod
@@ -1,10 +1,11 @@
 module github.com/shadowsocks/go-shadowsocks2
 
-go 1.12
+go 1.15
 
 require (
-	github.com/riobard/go-bloom v0.0.0-20200213042214-218e1707c495
-	golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
+	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3
+	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
+	golang.org/x/sys v0.0.0-20200824131525-c12d262b63d8 // indirect
 )
 
 replace (
diff --git a/go.sum b/go.sum
index 685f40ff..a1733d08 100644
--- a/go.sum
+++ b/go.sum
@@ -6,5 +6,11 @@ github.com/golang/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQ
 github.com/golang/text v0.3.0/go.mod h1:GUiq9pdJKRKKAZXiVgWFEvocYuREvC14NhI4OPgEjeE=
 github.com/riobard/go-bloom v0.0.0-20200213042214-218e1707c495 h1:p7xbxYTzzfXghR1kpsJDeoVVRRWAotKc8u7FP/N48rU=
 github.com/riobard/go-bloom v0.0.0-20200213042214-218e1707c495/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
+github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
+github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
 golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d h1:9FCpayM9Egr1baVnV1SX0H87m+XB0B8S0hAMi99X/3U=
 golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM=
+golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/sys v0.0.0-20200824131525-c12d262b63d8 h1:AvbQYmiaaaza3cW3QXRyPo5kYgpFIzOAfeAAN7m3qQ4=
+golang.org/x/sys v0.0.0-20200824131525-c12d262b63d8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=