diff --git a/.gitmodules b/.gitmodules
index 4d311954..193471cc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "Chipmunk2D"]
 	path = Chipmunk2D
-	url = git@github.com:viblo/Chipmunk2D.git
+	url = https://github.com/imMadsen/Chipmunk2D
diff --git a/Chipmunk2D b/Chipmunk2D
index 7f091aad..401e98e7 160000
--- a/Chipmunk2D
+++ b/Chipmunk2D
@@ -1 +1 @@
-Subproject commit 7f091aadb1b9e6c0e0a1705c1ed71c1e375eb64d
+Subproject commit 401e98e78e1f78e4718d0d2301bcf1ad06b3d035
diff --git a/pymunk/space.py b/pymunk/space.py
index a59df1d8..02d7bdcd 100644
--- a/pymunk/space.py
+++ b/pymunk/space.py
@@ -554,6 +554,19 @@ def use_spatial_hash(self, dim: float, count: int) -> None:
         """
         cp.cpSpaceUseSpatialHash(self._space, dim, count)
 
+
+    def get_space_hash_indicies(self, hash_indicies_len, l, r, b, t) -> List:
+        hash_indicies = ffi.new(f'int[{hash_indicies_len}]')
+        cp.cpSpaceGetSpatialHashIndices(self._space, hash_indicies, l, r, b, t)
+        return hash_indicies
+
+    def create_space_hash_objects_count(self, hash_indicies_len) -> List:
+        hash_indicies = ffi.new(f'int[{hash_indicies_len}]')
+        return hash_indicies
+    
+    def get_space_hash_objects_count(self, cell_counts, hash_indicies, hash_indicies_len) -> None:
+        cp.cpSpaceGetSpatialHashObjectCounts(self._space, cell_counts, hash_indicies, hash_indicies_len)
+    
     def step(self, dt: float) -> None:
         """Update the space for the given time step.
 
diff --git a/pymunk_cffi/chipmunk_cdef.h b/pymunk_cffi/chipmunk_cdef.h
index 3e00ecd0..8a04194c 100644
--- a/pymunk_cffi/chipmunk_cdef.h
+++ b/pymunk_cffi/chipmunk_cdef.h
@@ -1233,6 +1233,12 @@ void cpSpaceReindexShapesForBody(cpSpace *space, cpBody *body);
 /// Switch the space to use a spatial has as it's spatial index.
 void cpSpaceUseSpatialHash(cpSpace *space, cpFloat dim, int count);
 
+//MARK: P7 (Crowd Crushing)
+
+void cpSpaceGetSpatialHashIndices(cpSpace *space, int *hash_indices, int l, int r, int b, int t);
+
+void cpSpaceGetSpatialHashObjectCounts(cpSpace *space, int *cell_counts, int *hash_indices, int hash_indices_len);
+
 // MARK: Time Stepping
 
 /// Step the space forward in time by @c dt.