diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index c96d494..818e255 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -148,7 +148,7 @@ jobs:
           brew fetch --retry libomp && brew reinstall libomp
           echo "MACOSX_DEPLOYMENT_TARGET=$(otool -l "$(brew --prefix libomp)/lib/libomp.dylib" | grep minos | awk '{print $2}')" >> "$GITHUB_ENV"
 
-      - uses: pypa/cibuildwheel@b3395e271a35f73dad77f21802abe9b986dfe299 # v4.3.1
+      - uses: pypa/cibuildwheel@8c2dcd2e96041a619f5ff03c9638d7941e2553a4 # v4.3.3
         with:
           output-dir: wheelhouse
         env:
@@ -243,7 +243,7 @@ jobs:
           path: dist
           merge-multiple: true
 
-      - uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # v1.14.2
+      - uses: pypa/gh-action-pypi-publish@7245906fb61fa33a13554f9d5fb856fe61758086 # v1.14.3
         with:
           # PyPI does not allow replacing a file. Without this flag the entire action fails if even a single duplicate exists.
           skip-existing: true
@@ -264,7 +264,7 @@ jobs:
           path: dist
           merge-multiple: true
 
-      - uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # v1.14.2
+      - uses: pypa/gh-action-pypi-publish@7245906fb61fa33a13554f9d5fb856fe61758086 # v1.14.3
         with:
           repository-url: https://test.pypi.org/legacy/
           # PyPI does not allow replacing a file. Without this flag the entire action fails if even a single duplicate exists.
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c51ee4a..86cebb5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -93,7 +93,7 @@ repos:
     hooks:
       - id: actionlint
   - repo: https://github.com/zizmorcore/zizmor-pre-commit
-    rev: v1.30.1
+    rev: v1.31.1
     hooks:
       - id: zizmor
   - repo: https://github.com/python-jsonschema/check-jsonschema
diff --git a/GB_VERSION.txt b/GB_VERSION.txt
index 4a6e70e..a39233b 100644
--- a/GB_VERSION.txt
+++ b/GB_VERSION.txt
@@ -1 +1 @@
-10.5.1
+10.5.2
diff --git a/suitesparse.sh b/suitesparse.sh
index 18edb20..d44b5c9 100755
--- a/suitesparse.sh
+++ b/suitesparse.sh
@@ -98,7 +98,7 @@ cd "GraphBLAS-${VERSION}/build" || exit
 # Disable optimizing some rarely-used types for significantly faster builds and significantly smaller wheel size.
 # Also the build with all types enabled sometimes stalls on GitHub Actions. Probably due to exceeded resource limits.
 # These can still be used, they'll just have reduced performance (AFAIK similar to UDTs).
-# GraphBLAS's own GB_control.h (as of 10.5.1) already disables INT8, INT16, UINT8 and UINT16, so
+# GraphBLAS's own GB_control.h (as of 10.5.2) already disables INT8, INT16, UINT8 and UINT16, so
 # the types left without FactoryKernels here are those four plus FC32, FC64 and UINT32.
 # shellcheck disable=SC2129
 # echo "#define GxB_NO_BOOL      1" >> ../Source/GB_control.h #
diff --git a/suitesparse_graphblas/create_headers.py b/suitesparse_graphblas/create_headers.py
index dcfb5f4..59d5e8c 100644
--- a/suitesparse_graphblas/create_headers.py
+++ b/suitesparse_graphblas/create_headers.py
@@ -306,6 +306,7 @@ def groupby(index, seq):
     "GxB_ARENA_DATA",
     "GxB_ARENA_HEADER",
     "GxB_NARENAS",
+    "GxB_NARENAS_GPU",  # Added in version 10.5.2
 }
 
 CHAR_DEFINES = {
@@ -337,6 +338,8 @@ def groupby(index, seq):
     "GxB_HAVE_COMPLEX_C99",
     # deprecated
     "GxB_HYPER",
+    "GxB_NONBLOCKING_GPU",  # GrB_Mode values until 10.5.2; now aliases of GrB_NONBLOCKING
+    "GxB_BLOCKING_GPU",  # and GrB_BLOCKING
 }
 
 IGNORE_LINES = {
diff --git a/suitesparse_graphblas/suitesparse_graphblas.h b/suitesparse_graphblas/suitesparse_graphblas.h
index c50f31f..30dc2f9 100644
--- a/suitesparse_graphblas/suitesparse_graphblas.h
+++ b/suitesparse_graphblas/suitesparse_graphblas.h
@@ -126,9 +126,7 @@ typedef enum
 typedef enum
 {
   GrB_NONBLOCKING = 0,
-  GrB_BLOCKING = 1,
-  GxB_NONBLOCKING_GPU = 7099,
-  GxB_BLOCKING_GPU = 7098
+  GrB_BLOCKING = 1
 } GrB_Mode;
 
 typedef enum
@@ -3841,6 +3839,7 @@ GrB_Info GxB_unload_Vector_into_Container(GrB_Vector V, GxB_Container Container,
 #define GxB_INDEX_MAX ...
 #define GxB_MAX_NAME_LEN ...
 #define GxB_NARENAS ...
+#define GxB_NARENAS_GPU ...
 #define GxB_NBITMAP_SWITCH ...
 #define GxB_NGPUS ...
 #define GxB_NTHREADS ...
diff --git a/suitesparse_graphblas/suitesparse_graphblas_no_complex.h b/suitesparse_graphblas/suitesparse_graphblas_no_complex.h
index dea3086..9e80f31 100644
--- a/suitesparse_graphblas/suitesparse_graphblas_no_complex.h
+++ b/suitesparse_graphblas/suitesparse_graphblas_no_complex.h
@@ -124,9 +124,7 @@ typedef enum
 typedef enum
 {
   GrB_NONBLOCKING = 0,
-  GrB_BLOCKING = 1,
-  GxB_NONBLOCKING_GPU = 7099,
-  GxB_BLOCKING_GPU = 7098
+  GrB_BLOCKING = 1
 } GrB_Mode;
 
 typedef enum
@@ -3603,6 +3601,7 @@ GrB_Info GxB_unload_Vector_into_Container(GrB_Vector V, GxB_Container Container,
 #define GxB_INDEX_MAX ...
 #define GxB_MAX_NAME_LEN ...
 #define GxB_NARENAS ...
+#define GxB_NARENAS_GPU ...
 #define GxB_NBITMAP_SWITCH ...
 #define GxB_NGPUS ...
 #define GxB_NTHREADS ...
diff --git a/suitesparse_graphblas/tests/test_memory.py b/suitesparse_graphblas/tests/test_memory.py
index d5d26c3..03ef601 100644
--- a/suitesparse_graphblas/tests/test_memory.py
+++ b/suitesparse_graphblas/tests/test_memory.py
@@ -134,10 +134,7 @@ def roundtrips():
             check_status(B, lib.GrB_Matrix_wait(B[0], lib.GrB_MATERIALIZE))
             assert matrix.matrix_nvals(B) == 900
 
-        # Another arena, using libc's allocator.  The last one, since GraphBLAS means to give
-        # CUDA an arena of its own (the first 10.4.0 betas reserved arena 1).  It needs a realloc:
-        # without one, GraphBLAS (10.4.0 to 10.5.1) frees the arena's memory with arena 0's
-        # free when it grows a buffer.
+        # Another arena, using libc's allocator
         k = lib.GxB_NARENAS - 1
         import cffi