diff --git a/configs/coins/zcash.json b/configs/coins/zcash.json
index 053e53d0..203a018f 100644
--- a/configs/coins/zcash.json
+++ b/configs/coins/zcash.json
@@ -22,10 +22,10 @@
     "package_name": "backend-zcash",
     "package_revision": "satoshilabs-1",
     "system_user": "zcash",
-    "version": "4.5.0",
-    "binary_url": "https://z.cash/downloads/zcash-4.5.0-linux64-debian-stretch.tar.gz",
+    "version": "4.5.1",
+    "binary_url": "https://z.cash/downloads/zcash-4.5.1-linux64-debian-stretch.tar.gz",
     "verification_type": "sha256",
-    "verification_source": "405ebe0379219109e4b22069bf96348852b032a52345fa93acfe415ffa15a969",
+    "verification_source": "0484fa245b0e6d35beda30cc1fbe63a58eb41baccd68ccf90c587b371c4d5068",
     "extract_command": "tar -C backend --strip 1 -xf",
     "exclude_files": [],
     "exec_command_template": "{{.Env.BackendInstallPath}}/{{.Coin.Alias}}/bin/zcashd -datadir={{.Env.BackendDataPath}}/{{.Coin.Alias}}/backend -conf={{.Env.BackendInstallPath}}/{{.Coin.Alias}}/{{.Coin.Alias}}.conf -pid=/run/{{.Coin.Alias}}/{{.Coin.Alias}}.pid",
diff --git a/configs/coins/zcash_testnet.json b/configs/coins/zcash_testnet.json
index b634dbb1..cacf1332 100644
--- a/configs/coins/zcash_testnet.json
+++ b/configs/coins/zcash_testnet.json
@@ -21,10 +21,10 @@
   "backend": {
     "package_name": "backend-zcash-testnet",
     "package_revision": "satoshilabs-1",
-    "version": "4.5.0",
-    "binary_url": "https://z.cash/downloads/zcash-4.5.0-linux64-debian-stretch.tar.gz",
+    "version": "4.5.1",
+    "binary_url": "https://z.cash/downloads/zcash-4.5.1-linux64-debian-stretch.tar.gz",
     "verification_type": "sha256",
-    "verification_source": "405ebe0379219109e4b22069bf96348852b032a52345fa93acfe415ffa15a969",
+    "verification_source": "0484fa245b0e6d35beda30cc1fbe63a58eb41baccd68ccf90c587b371c4d5068",
     "extract_command": "tar -C backend --strip 1 -xf",
     "exclude_files": [],
     "exec_command_template": "{{.Env.BackendInstallPath}}/{{.Coin.Alias}}/bin/zcashd -datadir={{.Env.BackendDataPath}}/{{.Coin.Alias}}/backend -conf={{.Env.BackendInstallPath}}/{{.Coin.Alias}}/{{.Coin.Alias}}.conf -pid=/run/{{.Coin.Alias}}/{{.Coin.Alias}}.pid",