diff --git a/README.md b/README.md
index 2d5dd033..27c8ab23 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ libnvidia-container-tools
 With Docker:
 ```bash
 # Generate docker images for a supported <os><version>
-make {ubuntu18.04, ubuntu16.04, debian10, debian9, centos7, amazonlinux2, opensuse-leap15.1}
+make {ubuntu18.04, ubuntu16.04, debian10, debian9, centos7, amazonlinux2, opensuse-leap15.1, opensuse-leap15.6, opensuse-leap16.0, sles15.7, sles16.0}
 
 # Or generate docker images for all supported distributions in the dist/ directory
 make docker
diff --git a/mk/Dockerfile.opensuse-leap b/mk/Dockerfile.opensuse-leap
index 1d460a3b..ddb9b948 100644
--- a/mk/Dockerfile.opensuse-leap
+++ b/mk/Dockerfile.opensuse-leap
@@ -4,9 +4,8 @@ FROM ${BASEIMAGE}
 SHELL ["/bin/bash", "-c"]
 
 RUN zypper install -y \
-        bmake \
         bzip2 \
-        createrepo \
+        createrepo_c \
         curl \
         gcc \
         git \
@@ -18,11 +17,17 @@ RUN zypper install -y \
         make \
         lsb-release \
         pkg-config \
+        rpcgen \
         rpm-build \
-        rpmlint \
         which && \
     rm -rf /var/cache/zypp/*
 
+# bmake is only needed to build the bundled elftoolchain (WITH_LIBELF=no) and rpmlint is
+# optional. Neither is available in every SUSE repository (e.g. SLE BCI 16), so they are
+# installed when the repository provides them.
+RUN (zypper install -y bmake rpmlint || zypper install -y bmake || true) && \
+    rm -rf /var/cache/zypp/*
+
 ARG OS_ARCH
 ARG GOLANG_VERSION
 ENV OS_ARCH=${OS_ARCH}
diff --git a/mk/docker.mk b/mk/docker.mk
index 3ed20330..75006f34 100644
--- a/mk/docker.mk
+++ b/mk/docker.mk
@@ -35,10 +35,10 @@ include $(CURDIR)/versions.mk
 
 # Supported OSs by architecture
 AMD64_TARGETS := ubuntu22.04 ubuntu20.04 ubuntu18.04 ubuntu16.04 debian10 debian9
-X86_64_TARGETS := centos7 centos8 rhel7 rhel8 amazonlinux2 opensuse-leap15.1
+X86_64_TARGETS := centos7 centos8 rhel7 rhel8 amazonlinux2 opensuse-leap15.1 opensuse-leap15.6 opensuse-leap16.0 sles15.7 sles16.0
 PPC64LE_TARGETS := ubuntu18.04 ubuntu16.04 centos7 centos8 rhel7 rhel8
 ARM64_TARGETS := ubuntu18.04
-AARCH64_TARGETS := centos7 rhel7 centos8 rhel8 amazonlinux2
+AARCH64_TARGETS := centos7 rhel7 centos8 rhel8 amazonlinux2 opensuse-leap15.6 opensuse-leap16.0 sles15.7 sles16.0
 
 # Define top-level build targets
 docker%: SHELL:=/bin/bash
@@ -145,6 +145,18 @@ docker-amd64-verify: $(patsubst %, %-verify, $(AMD64_TARGETS)) \
 # private opensuse-leap target with overrides
 --opensuse-leap%: OS := opensuse-leap
 --opensuse-leap%: BASEIMAGE = opensuse/leap:$(VERSION)
+# glibc no longer ships the Sun RPC headers from Leap 15.6 on; build against libtirpc
+--opensuse-leap15.6%: WITH_TIRPC = yes
+--opensuse-leap16%: WITH_TIRPC = yes
+
+# private sles target (built on the SLE Base Container Image with the opensuse-leap Dockerfile)
+--sles%: OS := opensuse-leap
+--sles%: VERSION = $(patsubst sles%-$(ARCH),%,$(TARGET_PLATFORM))
+--sles%: BASEIMAGE = registry.suse.com/bci/bci-base:$(VERSION)
+--sles%: BUILDIMAGE = $(IMAGE_PREFIX)nvidia/$(LIB_NAME)/sles$(VERSION)-$(ARCH)
+--sles%: ARTIFACTS_DIR = $(DIST_DIR)/sles$(VERSION)/$(ARCH)
+--sles%: WITH_TIRPC = yes
+--sles16%: WITH_LIBELF = yes
 
 # private rhel target (actually built on centos)
 --rhel%: OS := centos
diff --git a/mk/libtirpc.mk b/mk/libtirpc.mk
index 925e3f66..0ccb1e79 100644
--- a/mk/libtirpc.mk
+++ b/mk/libtirpc.mk
@@ -16,7 +16,8 @@ LIBTIRPC := $(SRCS_DIR)/libtirpc
 ##### Flags definitions #####
 
 export CPPFLAGS := -D_FORTIFY_SOURCE=2
-export CFLAGS   := -O2 -g -fdata-sections -ffunction-sections -fstack-protector -fno-strict-aliasing -fPIC
+# libtirpc 1.3.2 has unprototyped declarations that C23 (the GCC 15 default) rejects.
+export CFLAGS   := -std=gnu11 -O2 -g -fdata-sections -ffunction-sections -fstack-protector -fno-strict-aliasing -fPIC
 
 ##### Private rules #####
 
diff --git a/pkg/rpm/SPECS/libnvidia-container.spec b/pkg/rpm/SPECS/libnvidia-container.spec
index 6c9311d2..733e5185 100644
--- a/pkg/rpm/SPECS/libnvidia-container.spec
+++ b/pkg/rpm/SPECS/libnvidia-container.spec
@@ -25,7 +25,9 @@ containers leveraging NVIDIA hardware. The implementation relies on several
 kernel subsystems and is designed to be agnostic of the container runtime.
 
 %install
-DESTDIR=%{buildroot} %{__make} install prefix=%{_prefix} exec_prefix=%{_exec_prefix} bindir=%{_bindir} libdir=%{_libdir} includedir=%{_includedir} docdir=%{_licensedir}
+# rpm >= 4.20 runs the install section in a per-build subdirectory, so point make at the
+# source tree that the Makefile links to _topdir/BUILD.
+DESTDIR=%{buildroot} %{__make} -C %{_topdir}/BUILD install prefix=%{_prefix} exec_prefix=%{_exec_prefix} bindir=%{_bindir} libdir=%{_libdir} includedir=%{_includedir} docdir=%{_licensedir}
 
 %package -n %{name}%{_major}
 Summary: NVIDIA container runtime library