diff --git a/Dockerfile.ubuntu18 b/Dockerfile.ubuntu18
index a5abe7c..52f4e88 100644
--- a/Dockerfile.ubuntu18
+++ b/Dockerfile.ubuntu18
@@ -1,4 +1,4 @@
 FROM ubuntu:18.04
 
-RUN apt update -y && apt install -y build-essential g++ gcc make
+RUN apt update -y && apt install -y build-essential g++ gcc make git wget ca-certificates
 RUN wget https://github.com/Kitware/CMake/releases/download/v3.20.0/cmake-3.20.0.tar.gz && tar -zvxf cmake-3.20.0.tar.gz && cd cmake-3.20.0 && ./bootstrap && make -j16 && make install
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