diff --git a/environment.yml b/environment.yml
index fdae5d1..c68b52f 100755
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - cudatoolkit=12.1
+  - cudatoolkit
   - plyfile=0.8.1
   - python=3.10
   - pip
@@ -24,4 +24,4 @@ dependencies:
     - scipy
     - plyfile
     - recordclass
-    - scikit-image
\ No newline at end of file
+    - scikit-image
diff --git a/submodules/simple-knn/simple_knn.cu b/submodules/simple-knn/simple_knn.cu
index 661d488..0d0329c 100755
--- a/submodules/simple-knn/simple_knn.cu
+++ b/submodules/simple-knn/simple_knn.cu
@@ -20,6 +20,7 @@
 #include <cuda_runtime_api.h>
 #include <thrust/device_vector.h>
 #include <thrust/sequence.h>
+#include <cfloat>
 #define __CUDACC__
 #include <cooperative_groups.h>
 #include <cooperative_groups/reduce.h>
@@ -218,4 +219,4 @@ void SimpleKNN::knn(int P, float3* points, float* meanDists)
 	boxMeanDist << <num_boxes, BOX_SIZE >> > (P, points, indices_sorted.data().get(), boxes.data().get(), meanDists);
 
 	cudaFree(result);
-}
\ No newline at end of file
+}