diff --git a/configs/coins/zcash.json b/configs/coins/zcash.json
index 358e8946..b263bfdd 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": "5.4.2",
-        "binary_url": "https://z.cash/downloads/zcash-5.4.2-linux64-debian-bullseye.tar.gz",
+        "version": "5.5.1",
+        "binary_url": "https://z.cash/downloads/zcash-5.5.1-linux64-debian-bullseye.tar.gz",
         "verification_type": "sha256",
-        "verification_source": "bbc339d88a23207f81ff01b91b7a925ab013a855c6691d0f8b3400ebfb149c08",
+        "verification_source": "80cff6baed38c5bef710fab2057244640b152707c96269833834809c81b299db",
         "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 bf1dc030..648913ac 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": "5.4.2",
-    "binary_url": "https://z.cash/downloads/zcash-5.4.2-linux64-debian-bullseye.tar.gz",
+    "version": "5.5.1",
+    "binary_url": "https://z.cash/downloads/zcash-5.5.1-linux64-debian-bullseye.tar.gz",
     "verification_type": "sha256",
-    "verification_source": "bbc339d88a23207f81ff01b91b7a925ab013a855c6691d0f8b3400ebfb149c08",
+    "verification_source": "80cff6baed38c5bef710fab2057244640b152707c96269833834809c81b299db",
     "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",