diff --git a/Dockerfile.linux-builder b/Dockerfile.linux-builder
index fecf4d1ede..2ba2987070 100644
--- a/Dockerfile.linux-builder
+++ b/Dockerfile.linux-builder
@@ -1,6 +1,7 @@
 FROM centos:7
 
-RUN yum -y install yum install centos-release-scl && \
+RUN yum -y update && \
+    yum -y install centos-release-scl && \
     yum -y install devtoolset-9 && \
     yum -y install make ncurses-devel which unzip perl cpio rsync fileutils bc bzip2 gzip sed git python file patch wget perl-Thread-Queue perl-Data-Dumper perl-ExtUtils-MakeMaker && \
     yum clean all
diff --git a/Dockerfile.windows-builder b/Dockerfile.windows-builder
index 50aa4fd5d6..3e647176d4 100644
--- a/Dockerfile.windows-builder
+++ b/Dockerfile.windows-builder
@@ -1,4 +1,4 @@
-FROM fedora:33
+FROM fedora:36
 
 RUN dnf -y install mingw32-nsis xz bzip2 zip diffutils texinfo gcc gcc-c++ make mingw64-winpthreads mingw64-winpthreads-static mingw64-gcc mingw64-gcc-c++ curl && \
     dnf clean all