diff --git a/Cargo.lock b/Cargo.lock
index 99520f8d5a..d0f9464054 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11217,9 +11217,9 @@ dependencies = [
 
 [[package]]
 name = "simsimd"
-version = "6.0.5"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be2ad0164e13e58a994d3dd1ff57d44cee87c445708e3acea7ad4f03a47092ce"
+checksum = "efc843bc8f12d9c8e6b734a0fe8918fc497b42f6ae0f347dbfdad5b5138ab9b4"
 dependencies = [
  "cc",
 ]
diff --git a/src/common/function/Cargo.toml b/src/common/function/Cargo.toml
index 9a546227e8..cb876b352d 100644
--- a/src/common/function/Cargo.toml
+++ b/src/common/function/Cargo.toml
@@ -41,7 +41,7 @@ s2 = { version = "0.0.12", optional = true }
 serde.workspace = true
 serde_json.workspace = true
 session.workspace = true
-simsimd = "6"
+simsimd = "4"
 snafu.workspace = true
 sql.workspace = true
 statrs = "0.16"