diff --git a/Dockerfile b/Dockerfile
index 849db7b..b885ec1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,8 @@ RUN git clone --recurse-submodules --branch ${SEMGREP_VERSION} --depth=1 --singl
 
 WORKDIR /src/semgrep
 
+ARG OPAMSOLVERTIMEOUT=600
+
 # note that we do not run 'make install-deps-for-semgrep-core' here because it
 # configures and builds ocaml-tree-sitter-core too; here we are
 # just concerned about installing external packages to maximize docker caching.