diff --git a/requirements.txt b/requirements.txt
index 9af61a4..377dee3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,5 @@ unstructured
 duckduckgo_search
 mdtex2html
 chardet
-cchardet
\ No newline at end of file
+cchardet
+cpm_kernels
\ No newline at end of file