diff --git a/Cargo.lock b/Cargo.lock
index a87e97244a..00048a781c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8971,8 +8971,7 @@ dependencies = [
 [[package]]
 name = "promql-parser"
 version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60d851f6523a8215e2fbf86b6cef4548433f8b76092e9ffb607105de52ae63fd"
+source = "git+https://github.com/GreptimeTeam/promql-parser.git?rev=711d484d9e19b19e073f0cbfd2dd16ad031972b6#711d484d9e19b19e073f0cbfd2dd16ad031972b6"
 dependencies = [
  "cfgrammar",
  "chrono",
@@ -8982,6 +8981,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_json",
+ "unescaper",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 06954836ac..a5fe30fc2e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -163,7 +163,9 @@ parquet = { version = "54.2", default-features = false, features = ["arrow", "as
 paste = "1.0"
 pin-project = "1.0"
 prometheus = { version = "0.13.3", features = ["process"] }
-promql-parser = { version = "0.5.1", features = ["ser"] }
+promql-parser = { git = "https://github.com/GreptimeTeam/promql-parser.git", rev = "711d484d9e19b19e073f0cbfd2dd16ad031972b6", features = [
+    "ser",
+] }
 prost = { version = "0.13", features = ["no-recursion-limit"] }
 raft-engine = { version = "0.4.1", default-features = false }
 rand = "0.9"
diff --git a/tests/cases/standalone/common/promql/regex.result b/tests/cases/standalone/common/promql/regex.result
index 71e9abed34..fd126748a3 100644
--- a/tests/cases/standalone/common/promql/regex.result
+++ b/tests/cases/standalone/common/promql/regex.result
@@ -36,6 +36,20 @@ TQL EVAL (0, 100, '15s') test{host=~"(10.0.160.237:8080|10.0.160.237:9090)"};
 | 1970-01-01T00:01:30 | 10.0.160.237:8080 | 1   |
 +---------------------+-------------------+-----+
 
+TQL EVAL (0, 100, '15s') test{host=~"(10\\.0\\.160\\.237:8080|10\\.0\\.160\\.237:9090)"};
+
++---------------------+-------------------+-----+
+| ts                  | host              | val |
++---------------------+-------------------+-----+
+| 1970-01-01T00:00:00 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:00:15 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:00:30 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:00:45 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:01:00 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:01:15 | 10.0.160.237:8080 | 1   |
+| 1970-01-01T00:01:30 | 10.0.160.237:8080 | 1   |
++---------------------+-------------------+-----+
+
 DROP TABLE test;
 
 Affected Rows: 0
diff --git a/tests/cases/standalone/common/promql/regex.sql b/tests/cases/standalone/common/promql/regex.sql
index 1324730177..3cb754a16b 100644
--- a/tests/cases/standalone/common/promql/regex.sql
+++ b/tests/cases/standalone/common/promql/regex.sql
@@ -13,4 +13,6 @@ SELECT * FROM test;
 
 TQL EVAL (0, 100, '15s') test{host=~"(10.0.160.237:8080|10.0.160.237:9090)"};
 
+TQL EVAL (0, 100, '15s') test{host=~"(10\\.0\\.160\\.237:8080|10\\.0\\.160\\.237:9090)"};
+
 DROP TABLE test;