diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
index 93565ae099b..fd627e5a104 100644
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -108,11 +108,16 @@ FetchContent_Declare(
   SOURCE_SUBDIR
   dont-add-this-project-with-add-subdirectory)
 
+set(_patch_file "${CMAKE_CURRENT_SOURCE_DIR}/patches/xgrammar_constexpr.patch")
 FetchContent_Declare(
   xgrammar
   GIT_REPOSITORY https://github.com/mlc-ai/xgrammar
-  GIT_TAG v0.1.25 # e4e816f5f0fe39f5b1601a17a4552307fa3b70ff
+  GIT_TAG v0.1.32 # 62e13551b9b63251114894c5ee638564b160dd48
   GIT_SHALLOW TRUE
   # NOTE: TensorRT-LLM only uses the headers
   SOURCE_SUBDIR
-  dont-add-this-project-with-add-subdirectory)
+  dont-add-this-project-with-add-subdirectory
+  PATCH_COMMAND
+    bash -c "patch -p1 --forward --batch --dry-run -i '${_patch_file}' && \
+    patch -p1 --forward --batch -i '${_patch_file}' || \
+    echo 'Patch already applied, skipping.'")
diff --git a/3rdparty/patches/xgrammar_constexpr.patch b/3rdparty/patches/xgrammar_constexpr.patch
new file mode 100644
index 00000000000..f4e5be99a21
--- /dev/null
+++ b/3rdparty/patches/xgrammar_constexpr.patch
@@ -0,0 +1,19 @@
+--- a/cpp/grammar_functor.cc
++++ b/cpp/grammar_functor.cc
+@@ -1750,11 +1750,11 @@
+   void Apply(Grammar* grammar);
+   static std::optional<uint64_t> HashSequence(const Grammar& grammar, int32_t sequence_id);
+
+-  static const int16_t kNotEndStateFlag = -0x100;
+-  static const int16_t kEndStateFlag = -0x200;
+-  static const int16_t kSelfRecursionFlag = -0x300;
+-  static const int16_t kSimpleCycleFlag = -0x400;
+-  static const int16_t kUnKnownFlag = -0x500;
++  static constexpr int16_t kNotEndStateFlag = -0x100;
++  static constexpr int16_t kEndStateFlag = -0x200;
++  static constexpr int16_t kSelfRecursionFlag = -0x300;
++  static constexpr int16_t kSimpleCycleFlag = -0x400;
++  static constexpr int16_t kUnKnownFlag = -0x500;
+
+  private:
+   Grammar* grammar_;
diff --git a/requirements.txt b/requirements.txt
index 36e5201031c..65d622cd91b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,9 +52,9 @@ ordered-set
 peft
 patchelf
 einops
-flashinfer-python~=0.6.1
+flashinfer-python==0.6.4
 opencv-python-headless
-xgrammar==0.1.25
+xgrammar==0.1.32
 llguidance==0.7.29
 jsonschema
 backoff
diff --git a/security_scanning/pyproject.toml b/security_scanning/pyproject.toml
index bc8c4e8e68f..c9a687b5089 100644
--- a/security_scanning/pyproject.toml
+++ b/security_scanning/pyproject.toml
@@ -55,7 +55,7 @@ dependencies = [
     "patchelf (>=0.17.2.4,<0.18.0.0)",
     "einops (>=0.8.2,<0.9.0)",
     "flashinfer-python (>=0.6.1,<0.7.0)",
-    "xgrammar (==0.1.25)",
+    "xgrammar (==0.1.32)",
     "llguidance (==0.7.29)",
     "jsonschema (>=4.26.0,<5.0.0)",
     "backoff (>=2.2.1,<3.0.0)",