diff --git a/coprocessor/fhevm-engine/Cargo.lock b/coprocessor/fhevm-engine/Cargo.lock
index 1ed7ff2af7..59f2816774 100644
--- a/coprocessor/fhevm-engine/Cargo.lock
+++ b/coprocessor/fhevm-engine/Cargo.lock
@@ -7468,9 +7468,9 @@ dependencies = [
 
 [[package]]
 name = "tfhe"
-version = "1.4.0-alpha.3"
+version = "1.4.0-alpha.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "217d37960449b4c3c9a6c9cf60982bd1f7eaaa9f6a5e64aa4abfc2bfe91fad60"
+checksum = "e09d61555abaa29fafa83e9921d597166d099274b92cef448f5adbd5eeece613"
 dependencies = [
  "aligned-vec",
  "bincode",
@@ -7615,9 +7615,9 @@ dependencies = [
 
 [[package]]
 name = "tfhe-zk-pok"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f7b4fa4d6b7d0bd2b5d37e237e2628dc464fc09d40ad4b95fcd3c5d2461cf98"
+checksum = "7c86ce0affb497566f3518af9707c30bf3abcb02bbe3421af76c405ec67e7fff"
 dependencies = [
  "ark-bls12-381",
  "ark-ec",
diff --git a/coprocessor/fhevm-engine/Cargo.toml b/coprocessor/fhevm-engine/Cargo.toml
index 65b8a4805f..3693e0901b 100644
--- a/coprocessor/fhevm-engine/Cargo.toml
+++ b/coprocessor/fhevm-engine/Cargo.toml
@@ -75,7 +75,7 @@ sqlx = { version = "0.8.6", default-features = false, features = [
 ] }
 testcontainers = "0.24.0"
 thiserror = "2.0.12"
-tfhe = { version = "1.4.0-alpha.3", features = [
+tfhe = { version = "=1.4.0-alpha.4", features = [
     "boolean",
     "shortint",
     "integer",
@@ -83,7 +83,7 @@ tfhe = { version = "1.4.0-alpha.3", features = [
     "experimental-force_fft_algo_dif4",
 ] }
 tfhe-versionable = "=0.6.2"
-tfhe-zk-pok = "0.7.2"
+tfhe-zk-pok = "=0.7.4"
 tokio = { version = "1.45.0", features = ["full"] }
 tokio-util = "0.7.15"
 tonic = { version = "0.12.3", features = ["server"] }