diff --git a/builder/image-software.sh b/builder/image-software.sh
index 43aa88d0..8d534721 100755
--- a/builder/image-software.sh
+++ b/builder/image-software.sh
@@ -95,7 +95,7 @@ git \
 dnsmasq  \
 tmux \
 vim \
-cmake=3.13.4 \
+cmake=3.6.2 \
 libjpeg8 \
 tcpdump \
 ltrace \