diff --git a/Dockerfile b/Dockerfile
index a2ffff3..8c48fec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,12 @@ RUN apt update && apt install -y perlbrew curl
 RUN perlbrew init && perlbrew install --verbose perl-5.38.0
 
 RUN perlbrew use perl-5.38.0
-RUN echo "source /root/perl5/perlbrew/etc/bashrc && perlbrew switch current" >> ~/.bashrc
+RUN echo "source /root/perl5/perlbrew/etc/bashrc && perlbrew switch perl-5.38.0" >> ~/.bashrc
+
+ENV PERLBREW_ROOT=/root/perl5/perlbrew
+ENV PERLBREW_HOME=/root/.perlbrew
+ENV PERLBREW_PATH=/root/perl5//perlbrew/bin:/root/perl5/perlbrew/perls/perl-5.38.0/bin
+ENV PATH=${PERLBREW_PATH}:${PATH}
+ENV PERLBREW_MANPATH=/root/perl5/perlbrew/perls/perl-5.38.0/man
 
 RUN perlbrew install-cpanm