diff --git a/.envrc b/.envrc
index c025507..c54b92e 100644
--- a/.envrc
+++ b/.envrc
@@ -1,6 +1,6 @@
 NAME=sqitch
 TITLE=Sqitch
-VERSION=1.4.1
+VERSION=1.5.0
 IMAGE=sqitch/sqitch
 DESCRIPTION="Sensible database change management"
 VENDOR="The Sqitch Community"
diff --git a/Dockerfile b/Dockerfile
index 71b82ef..54e55ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN mkdir -p /usr/share/man/man1 /usr/share/man/man7 \
     && tar -zxf App-Sqitch-v$VERSION.tar.gz --strip-components 1 -C src
 
 # Install cpan and build dependencies.
-ENV PERL5LIB /work/local/lib/perl5
+ENV PERL5LIB=/work/local/lib/perl5
 RUN curl -sL --compressed https://git.io/cpm > cpm && chmod +x cpm \
     && ./cpm install -L local --verbose --no-test --show-build-log-on-failure ExtUtils::MakeMaker List::MoreUtils::XS \
     && ./cpm install -L local --verbose --no-test --show-build-log-on-failure --with-recommends \
@@ -23,10 +23,8 @@ WORKDIR /work/src
 
 RUN perl Build.PL --quiet --install_base /app --etcdir /etc/sqitch \
     --config installman1dir= --config installsiteman1dir= --config installman3dir= --config installsiteman3dir= \
-    --with sqlite --with postgres --with firebird --with odbc \
+    --with sqlite --with postgres --with firebird --with odbc --with mysql \
     && ln -s  /usr/include/ibase.h /usr/include/firebird/ \
-    # XXX Fix for removal of BEGIN block in v1.4.1.
-    && perl -i -pe 's/BEGIN/use App::Sqitch/g' inc/Module/Build/Sqitch.pm \
     && ./Build bundle \
     && rm -rf /app/man \
     && find /app -name '*.pod' | grep -v sqitch | xargs rm -rf
@@ -35,14 +33,14 @@ RUN perl Build.PL --quiet --install_base /app --etcdir /etc/sqitch \
 # Copy to the final image without all the build stuff.
 FROM debian:bookworm-slim AS sqitch
 
-# Install runtime system dependencies and remove unnecesary files.
+# Install runtime system dependencies and remove unnecessary files.
 RUN mkdir -p /usr/share/man/man1 /usr/share/man/man7 \
     && apt-get -qq update \
     && apt-get -qq --no-install-recommends install less libperl5.36 perl-doc nano ca-certificates \
        sqlite3 \
        firebird3.0-utils libfbclient2 \
        libpq5 postgresql-client \
-       mariadb-client-core libmariadb-dev-compat libdbd-mysql-perl \
+       mariadb-client-core libmariadb-dev-compat \
     && apt-cache pkgnames | grep python | xargs apt-get purge -qq \
     && apt-cache pkgnames | grep libmagic | xargs apt-get purge -qq \
     && apt-get clean \