diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ddc80680..9360b311 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,8 +21,8 @@ jobs:
           # Run slower jobs first to give them a headstart and reduce waiting time
           - "ubuntu-24.04-noble-ppc64le"
           - "ubuntu-24.04-noble-s390x"
-          - "ubuntu-26.04-plucky-ppc64le"
-          - "ubuntu-26.04-plucky-s390x"
+          - "ubuntu-26.04-resolute-ppc64le"
+          - "ubuntu-26.04-resolute-s390x"
           # test image for manylinux-wheel build
           - "fedora-43-amd64"
           # Then run the remainder
@@ -37,7 +37,7 @@ jobs:
           - "ubuntu-22.04-jammy-amd64"
           - "ubuntu-22.04-jammy-amd64-valgrind"
           - "ubuntu-24.04-noble-amd64"
-          - "ubuntu-26.04-plucky-amd64"
+          - "ubuntu-26.04-resolute-amd64"
           # has a dependency on the test image
           - "manylinux_2_28-wheel-build"
         include:
@@ -51,13 +51,13 @@ jobs:
             docker-args: "--platform linux/s390x"
           - image: "ubuntu-24.04-noble-arm64v8"
             os: "ubuntu-24.04-arm"
-          - image: "ubuntu-26.04-plucky-ppc64le"
+          - image: "ubuntu-26.04-resolute-ppc64le"
             qemu-arch: "ppc64le"
             docker-args: "--platform linux/ppc64le"
-          - image: "ubuntu-26.04-plucky-s390x"
+          - image: "ubuntu-26.04-resolute-s390x"
             qemu-arch: "s390x"
             docker-args: "--platform linux/s390x"
-          - image: "ubuntu-26.04-plucky-arm64v8"
+          - image: "ubuntu-26.04-resolute-arm64v8"
             os: "ubuntu-24.04-arm"
 
     steps:
diff --git a/Makefile b/Makefile
index cac27317..4ea04d14 100644
--- a/Makefile
+++ b/Makefile
@@ -11,14 +11,14 @@ TARGETS = \
 	manylinux_2_28-wheel-build \
 	ubuntu-22.04-jammy-amd64 \
 	ubuntu-24.04-noble-amd64 \
+	ubuntu-26.04-resolute-amd64 \
 	ubuntu-22.04-jammy-amd64-valgrind \
 	ubuntu-24.04-noble-arm64v8 \
 	ubuntu-24.04-noble-ppc64le \
 	ubuntu-24.04-noble-s390x \
-	ubuntu-26.04-plucky-amd64 \
-	ubuntu-26.04-plucky-arm64v8 \
-	ubuntu-26.04-plucky-ppc64le \
-	ubuntu-26.04-plucky-s390x
+	ubuntu-26.04-resolute-arm64v8 \
+	ubuntu-26.04-resolute-ppc64le \
+	ubuntu-26.04-resolute-s390x
 
 BUILDDIRS = $(TARGETS:%=build-%)
 PUSHDIRS = $(TARGETS:%=push-%)
diff --git a/ubuntu-26.04-plucky-amd64/update.sh b/ubuntu-26.04-plucky-amd64/update.sh
deleted file mode 100755
index 3812ae7f..00000000
--- a/ubuntu-26.04-plucky-amd64/update.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-docker pull ubuntu:plucky
diff --git a/ubuntu-26.04-plucky-arm64v8/update.sh b/ubuntu-26.04-plucky-arm64v8/update.sh
deleted file mode 100755
index c20affd8..00000000
--- a/ubuntu-26.04-plucky-arm64v8/update.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-docker pull arm64v8/ubuntu:plucky
diff --git a/ubuntu-26.04-plucky-ppc64le/update.sh b/ubuntu-26.04-plucky-ppc64le/update.sh
deleted file mode 100755
index f6fac1a3..00000000
--- a/ubuntu-26.04-plucky-ppc64le/update.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-docker pull $DOCKER_ARGS ppc64le/ubuntu:plucky
diff --git a/ubuntu-26.04-plucky-s390x/update.sh b/ubuntu-26.04-plucky-s390x/update.sh
deleted file mode 100755
index 4b750889..00000000
--- a/ubuntu-26.04-plucky-s390x/update.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-docker pull $DOCKER_ARGS s390x/ubuntu:plucky
diff --git a/ubuntu-26.04-plucky-amd64/Dockerfile b/ubuntu-26.04-resolute-amd64/Dockerfile
similarity index 92%
rename from ubuntu-26.04-plucky-amd64/Dockerfile
rename to ubuntu-26.04-resolute-amd64/Dockerfile
index 56b20b2f..b358d33b 100644
--- a/ubuntu-26.04-plucky-amd64/Dockerfile
+++ b/ubuntu-26.04-resolute-amd64/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:plucky
+FROM ubuntu:resolute
 
 RUN apt-get -qq update \
     && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install \
@@ -49,7 +49,7 @@ RUN useradd pillow \
 ARG PIP_DISABLE_PIP_VERSION_CHECK=1
 ARG PIP_NO_CACHE_DIR=1
 
-RUN virtualenv -p /usr/bin/python3.13 --system-site-packages /vpy3 \
+RUN virtualenv -p /usr/bin/python3.14 --system-site-packages /vpy3 \
     && /vpy3/bin/pip install --upgrade pip \
     && /vpy3/bin/pip install olefile pyside6 pytest pytest-cov pytest-timeout \
     && chown -R pillow:pillow /vpy3
@@ -63,4 +63,4 @@ ENV FORCE_COLOR=1
 USER pillow
 CMD ["depends/test.sh"]
 
-#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-plucky-amd64
+#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-resolute-amd64
diff --git a/ubuntu-26.04-plucky-amd64/Makefile b/ubuntu-26.04-resolute-amd64/Makefile
similarity index 100%
rename from ubuntu-26.04-plucky-amd64/Makefile
rename to ubuntu-26.04-resolute-amd64/Makefile
diff --git a/ubuntu-26.04-plucky-amd64/test.sh b/ubuntu-26.04-resolute-amd64/test.sh
similarity index 100%
rename from ubuntu-26.04-plucky-amd64/test.sh
rename to ubuntu-26.04-resolute-amd64/test.sh
diff --git a/ubuntu-26.04-resolute-amd64/update.sh b/ubuntu-26.04-resolute-amd64/update.sh
new file mode 100755
index 00000000..4a0b9432
--- /dev/null
+++ b/ubuntu-26.04-resolute-amd64/update.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+docker pull ubuntu:resolute
diff --git a/ubuntu-26.04-plucky-arm64v8/Dockerfile b/ubuntu-26.04-resolute-arm64v8/Dockerfile
similarity index 92%
rename from ubuntu-26.04-plucky-arm64v8/Dockerfile
rename to ubuntu-26.04-resolute-arm64v8/Dockerfile
index 1347bdd7..25770a9b 100644
--- a/ubuntu-26.04-plucky-arm64v8/Dockerfile
+++ b/ubuntu-26.04-resolute-arm64v8/Dockerfile
@@ -1,4 +1,4 @@
-FROM arm64v8/ubuntu:plucky
+FROM arm64v8/ubuntu:resolute
 
 RUN apt-get -qq update \
     && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install \
@@ -49,7 +49,7 @@ RUN useradd pillow \
 ARG PIP_DISABLE_PIP_VERSION_CHECK=1
 ARG PIP_NO_CACHE_DIR=1
 
-RUN virtualenv -p /usr/bin/python3.13 --system-site-packages /vpy3 \
+RUN virtualenv -p /usr/bin/python3.14 --system-site-packages /vpy3 \
     && /vpy3/bin/pip install --upgrade pip \
     && /vpy3/bin/pip install olefile pyside6 pytest pytest-cov pytest-timeout \
     && chown -R pillow:pillow /vpy3
@@ -63,4 +63,4 @@ ENV FORCE_COLOR=1
 USER pillow
 CMD ["depends/test.sh"]
 
-#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-plucky-arm64v8
+#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-resolute-arm64v8
diff --git a/ubuntu-26.04-plucky-arm64v8/Makefile b/ubuntu-26.04-resolute-arm64v8/Makefile
similarity index 100%
rename from ubuntu-26.04-plucky-arm64v8/Makefile
rename to ubuntu-26.04-resolute-arm64v8/Makefile
diff --git a/ubuntu-26.04-plucky-arm64v8/test.sh b/ubuntu-26.04-resolute-arm64v8/test.sh
similarity index 100%
rename from ubuntu-26.04-plucky-arm64v8/test.sh
rename to ubuntu-26.04-resolute-arm64v8/test.sh
diff --git a/ubuntu-26.04-resolute-arm64v8/update.sh b/ubuntu-26.04-resolute-arm64v8/update.sh
new file mode 100755
index 00000000..f502354e
--- /dev/null
+++ b/ubuntu-26.04-resolute-arm64v8/update.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+docker pull arm64v8/ubuntu:resolute
diff --git a/ubuntu-26.04-plucky-ppc64le/Dockerfile b/ubuntu-26.04-resolute-ppc64le/Dockerfile
similarity index 90%
rename from ubuntu-26.04-plucky-ppc64le/Dockerfile
rename to ubuntu-26.04-resolute-ppc64le/Dockerfile
index c318dcff..d3bd1f7f 100644
--- a/ubuntu-26.04-plucky-ppc64le/Dockerfile
+++ b/ubuntu-26.04-resolute-ppc64le/Dockerfile
@@ -1,4 +1,4 @@
-FROM ppc64le/ubuntu:plucky
+FROM ppc64le/ubuntu:resolute
 
 RUN apt-get -qq update \
     && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install \
@@ -39,7 +39,7 @@ RUN useradd pillow \
 ARG PIP_DISABLE_PIP_VERSION_CHECK=1
 ARG PIP_NO_CACHE_DIR=1
 
-RUN virtualenv -p /usr/bin/python3.13 --system-site-packages /vpy3 \
+RUN virtualenv -p /usr/bin/python3.14 --system-site-packages /vpy3 \
     && /vpy3/bin/pip install --upgrade pip \
     && /vpy3/bin/pip install olefile pytest pytest-cov pytest-timeout \
     && chown -R pillow:pillow /vpy3
@@ -53,4 +53,4 @@ ENV FORCE_COLOR=1
 USER pillow
 CMD ["depends/test.sh"]
 
-#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-plucky-ppc64le
+#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-resolute-ppc64le
diff --git a/ubuntu-26.04-plucky-ppc64le/Makefile b/ubuntu-26.04-resolute-ppc64le/Makefile
similarity index 100%
rename from ubuntu-26.04-plucky-ppc64le/Makefile
rename to ubuntu-26.04-resolute-ppc64le/Makefile
diff --git a/ubuntu-26.04-plucky-ppc64le/test.sh b/ubuntu-26.04-resolute-ppc64le/test.sh
similarity index 100%
rename from ubuntu-26.04-plucky-ppc64le/test.sh
rename to ubuntu-26.04-resolute-ppc64le/test.sh
diff --git a/ubuntu-26.04-resolute-ppc64le/update.sh b/ubuntu-26.04-resolute-ppc64le/update.sh
new file mode 100755
index 00000000..feeb6471
--- /dev/null
+++ b/ubuntu-26.04-resolute-ppc64le/update.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+docker pull $DOCKER_ARGS ppc64le/ubuntu:resolute
diff --git a/ubuntu-26.04-plucky-s390x/Dockerfile b/ubuntu-26.04-resolute-s390x/Dockerfile
similarity index 91%
rename from ubuntu-26.04-plucky-s390x/Dockerfile
rename to ubuntu-26.04-resolute-s390x/Dockerfile
index f1553e52..09df6529 100644
--- a/ubuntu-26.04-plucky-s390x/Dockerfile
+++ b/ubuntu-26.04-resolute-s390x/Dockerfile
@@ -1,4 +1,4 @@
-FROM s390x/ubuntu:plucky
+FROM s390x/ubuntu:resolute
 
 RUN apt-get -qq update \
     && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install \
@@ -37,7 +37,7 @@ RUN useradd pillow \
 ARG PIP_DISABLE_PIP_VERSION_CHECK=1
 ARG PIP_NO_CACHE_DIR=1
 
-RUN virtualenv -p /usr/bin/python3.13 --system-site-packages /vpy3 \
+RUN virtualenv -p /usr/bin/python3.14 --system-site-packages /vpy3 \
     && /vpy3/bin/pip install --upgrade pip \
     && /vpy3/bin/pip install olefile pytest pytest-cov pytest-timeout \
     && chown -R pillow:pillow /vpy3
@@ -53,4 +53,4 @@ ENV LD_LIBRARY_PATH=/usr/lib
 USER pillow
 CMD ["depends/test.sh"]
 
-#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-plucky-s390x
+#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/ubuntu-26.04-resolute-s390x
diff --git a/ubuntu-26.04-plucky-s390x/Makefile b/ubuntu-26.04-resolute-s390x/Makefile
similarity index 100%
rename from ubuntu-26.04-plucky-s390x/Makefile
rename to ubuntu-26.04-resolute-s390x/Makefile
diff --git a/ubuntu-26.04-plucky-s390x/test.sh b/ubuntu-26.04-resolute-s390x/test.sh
similarity index 100%
rename from ubuntu-26.04-plucky-s390x/test.sh
rename to ubuntu-26.04-resolute-s390x/test.sh
diff --git a/ubuntu-26.04-resolute-s390x/update.sh b/ubuntu-26.04-resolute-s390x/update.sh
new file mode 100755
index 00000000..b6d1594d
--- /dev/null
+++ b/ubuntu-26.04-resolute-s390x/update.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+docker pull $DOCKER_ARGS s390x/ubuntu:resolute