diff --git a/library/stdarch/.github/workflows/main.yml b/library/stdarch/.github/workflows/main.yml
index 8a6523e92c21..1f39a95c5f4d 100644
--- a/library/stdarch/.github/workflows/main.yml
+++ b/library/stdarch/.github/workflows/main.yml
@@ -109,26 +109,26 @@ jobs:
 
         # macOS targets
         - tuple: x86_64-apple-darwin
-          os: macos-13
+          os: macos-15-large
         - tuple: x86_64-apple-ios-macabi
-          os: macos-13
+          os: macos-15-large
         - tuple: aarch64-apple-darwin
-          os: macos-latest
+          os: macos-15
         - tuple: aarch64-apple-ios-macabi
-          os: macos-latest
+          os: macos-15
         # FIXME: gh-actions build environment doesn't have linker support
         # - tuple: i686-apple-darwin
         #   os: macos-13
 
         # Windows targets
         - tuple: x86_64-pc-windows-msvc
-          os: windows-latest
+          os: windows-2025
         - tuple: i686-pc-windows-msvc
-          os: windows-latest
+          os: windows-2025
         - tuple: aarch64-pc-windows-msvc
-          os: windows-latest
+          os: windows-2025
         - tuple: x86_64-pc-windows-gnu
-          os: windows-latest
+          os: windows-2025
         # - tuple: i686-pc-windows-gnu
         #   os: windows-latest
 
@@ -167,15 +167,15 @@ jobs:
           disable_assert_instr: true
         - target:
             tuple: aarch64-apple-darwin
-            os: macos-latest
+            os: macos-15
           norun: true # https://github.com/rust-lang/stdarch/issues/1206
         - target:
             tuple: aarch64-apple-ios-macabi
-            os: macos-latest
+            os: macos-15
           norun: true # https://github.com/rust-lang/stdarch/issues/1206
         - target:
             tuple: aarch64-pc-windows-msvc
-            os: windows-latest
+            os: windows-2025
           norun: true
 
     steps:
diff --git a/library/stdarch/ci/docker/aarch64-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
index a608d3954cd8..9d0edddb5393 100644
--- a/library/stdarch/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc \
   g++ \
diff --git a/library/stdarch/ci/docker/aarch64_be-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/aarch64_be-unknown-linux-gnu/Dockerfile
index 5562638646a1..9a6d882887ca 100644
--- a/library/stdarch/ci/docker/aarch64_be-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/aarch64_be-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc \
diff --git a/library/stdarch/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile b/library/stdarch/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile
index 2e5a18b546a7..93038baa740e 100644
--- a/library/stdarch/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile
+++ b/library/stdarch/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc \
   ca-certificates \
diff --git a/library/stdarch/ci/docker/i586-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/i586-unknown-linux-gnu/Dockerfile
index a865305707be..5a4a22369a80 100644
--- a/library/stdarch/ci/docker/i586-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/i586-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc-multilib \
   libc6-dev \
diff --git a/library/stdarch/ci/docker/i686-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/i686-unknown-linux-gnu/Dockerfile
index a865305707be..5a4a22369a80 100644
--- a/library/stdarch/ci/docker/i686-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/i686-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc-multilib \
   libc6-dev \
diff --git a/library/stdarch/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile
index d15ffcb7e831..610a32a03861 100644
--- a/library/stdarch/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/library/stdarch/ci/docker/mips-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/mips-unknown-linux-gnu/Dockerfile
index db0bc86348e4..f43a3c966331 100644
--- a/library/stdarch/ci/docker/mips-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/mips-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile b/library/stdarch/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
index 4fa2671ba585..235ac0997b1e 100644
--- a/library/stdarch/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
+++ b/library/stdarch/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile b/library/stdarch/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
index f35d7ed2b694..6041d8911749 100644
--- a/library/stdarch/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
+++ b/library/stdarch/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/mipsel-unknown-linux-musl/Dockerfile b/library/stdarch/ci/docker/mipsel-unknown-linux-musl/Dockerfile
index e5540f28f8a3..cd38348eeb5c 100644
--- a/library/stdarch/ci/docker/mipsel-unknown-linux-musl/Dockerfile
+++ b/library/stdarch/ci/docker/mipsel-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/library/stdarch/ci/docker/nvptx64-nvidia-cuda/Dockerfile b/library/stdarch/ci/docker/nvptx64-nvidia-cuda/Dockerfile
index 574fca6903f6..5b4869863c70 100644
--- a/library/stdarch/ci/docker/nvptx64-nvidia-cuda/Dockerfile
+++ b/library/stdarch/ci/docker/nvptx64-nvidia-cuda/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc \
   libc6-dev \
diff --git a/library/stdarch/ci/docker/powerpc-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/powerpc-unknown-linux-gnu/Dockerfile
index 05eb09389389..f1da6f291b5f 100644
--- a/library/stdarch/ci/docker/powerpc-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/powerpc-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile
index 4764706558e1..16b298fab364 100644
--- a/library/stdarch/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile
index 7c14663766f8..5d5aa4ec816e 100644
--- a/library/stdarch/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/riscv64gc-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/riscv64gc-unknown-linux-gnu/Dockerfile
index eb22bd11a58a..7696cf35c872 100644
--- a/library/stdarch/ci/docker/riscv64gc-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/riscv64gc-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/library/stdarch/ci/docker/s390x-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/s390x-unknown-linux-gnu/Dockerfile
index b55b75daeb12..cda0efb20ade 100644
--- a/library/stdarch/ci/docker/s390x-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/s390x-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         curl ca-certificates \
diff --git a/library/stdarch/ci/docker/wasm32-wasip1/Dockerfile b/library/stdarch/ci/docker/wasm32-wasip1/Dockerfile
index 109c41c01dc4..eeafde79733e 100644
--- a/library/stdarch/ci/docker/wasm32-wasip1/Dockerfile
+++ b/library/stdarch/ci/docker/wasm32-wasip1/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update -y && apt-get install -y --no-install-recommends \
diff --git a/library/stdarch/ci/docker/x86_64-unknown-linux-gnu-emulated/Dockerfile b/library/stdarch/ci/docker/x86_64-unknown-linux-gnu-emulated/Dockerfile
index 838017febb53..4d673eb7cbf8 100644
--- a/library/stdarch/ci/docker/x86_64-unknown-linux-gnu-emulated/Dockerfile
+++ b/library/stdarch/ci/docker/x86_64-unknown-linux-gnu-emulated/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc \
   libc6-dev \
diff --git a/library/stdarch/ci/docker/x86_64-unknown-linux-gnu/Dockerfile b/library/stdarch/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
index 8d478d6d8d03..0266cd02c4af 100644
--- a/library/stdarch/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
+++ b/library/stdarch/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:25.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc \
   libc6-dev \