diff --git a/Dockerfile b/Dockerfile
index d7d4531..c991d0c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ ENV GDAL_DISABLE_READDIR_ON_OPEN=TRUE
 ENV GDAL_HTTP_MERGE_CONSECUTIVE_RANGES=YES
 ENV GDAL_HTTP_MULTIPLEX=YES
 ENV GDAL_INGESTED_BYTES_AT_OPEN=32768
+ENV CPL_VSIL_CURL_ALLOWED_EXTENSIONS=tif,tiff,vrt,cog
 
 COPY pyproject.toml poetry.lock /app/
 COPY ./ctod /app/ctod/