--- a/platforms/fedora22-openssl/Dockerfile.in	Sat Nov 21 21:30:52 2015 +0100
+++ b/platforms/fedora22-openssl/Dockerfile.in	Sat Nov 21 21:31:10 2015 +0100
@@ -5,16 +5,16 @@
 
 # do not use delta rpm because the installed
 # packages in the base image may be crippled
-#RUN yum -y install deltarpm
-RUN yum -y update
-RUN yum -y install git gcc make
-RUN yum -y install pcre-devel openssl-devel libdb-devel 
-RUN yum -y install community-mysql-devel postgresql-devel 
-RUN yum -y install sqlite-devel openldap-devel perl-devel 
-RUN yum -y install autoconf sudo less net-tools
-Run yum -y install perl-ExtUtils-Embed 
-Run yum -y install libidn-devel
-RUN yum -y install gnutls-devel libgcrypt-devel
+#RUN dnf -y install deltarpm
+RUN dnf -y update
+RUN dnf -y install git gcc make
+RUN dnf -y install pcre-devel openssl-devel libdb-devel 
+RUN dnf -y install community-mysql-devel postgresql-devel 
+RUN dnf -y install sqlite-devel openldap-devel perl-devel 
+RUN dnf -y install autoconf sudo less net-tools
+Run dnf -y install perl-ExtUtils-Embed 
+Run dnf -y install libidn-devel
+RUN dnf -y install gnutls-devel libgcrypt-devel
 
 .include ../../lib/*.docker