diff --git a/requirements_frozen.txt b/requirements_frozen.txt
index 4e3df03a..38c9fcf1 100644
--- a/requirements_frozen.txt
+++ b/requirements_frozen.txt
@@ -90,6 +90,7 @@ pydantic==1.10.6
 pydata-sphinx-theme==0.8.1
 pydot==1.4.1
 Pygments==2.14.0
+pygments-csv-lexer==0.1.3
 pyOpenSSL==23.0.0
 pyparsing==3.0.9
 PyPDF2==1.26.0