diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 06a4c810c3..2090622e6c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -216,16 +216,16 @@ stages:
 
 # Fedora
 
-.tsan-fedora-41-amd64: &tsan_fedora_41_amd64_image
-  image: "$CI_REGISTRY_IMAGE:tsan-fedora-41-amd64"
+.tsan-fedora-42-amd64: &tsan_fedora_42_amd64_image
+  image: "$CI_REGISTRY_IMAGE:tsan-fedora-42-amd64"
   <<: *linux_amd64
 
-.fedora-41-amd64: &fedora_41_amd64_image
-  image: "$CI_REGISTRY_IMAGE:fedora-41-amd64"
+.fedora-42-amd64: &fedora_42_amd64_image
+  image: "$CI_REGISTRY_IMAGE:fedora-42-amd64"
   <<: *linux_amd64
 
-.fedora-41-arm64: &fedora_41_arm64_image
-  image: "$CI_REGISTRY_IMAGE:fedora-41-arm64"
+.fedora-42-arm64: &fedora_42_arm64_image
+  image: "$CI_REGISTRY_IMAGE:fedora-42-arm64"
   <<: *linux_arm64
 
 # Ubuntu
@@ -1272,7 +1272,7 @@ unit:gcc:noble:amd64:
     - job: gcc:noble:amd64
       artifacts: true
 
-# Jobs for ASAN builds on Fedora 41 (amd64)
+# Jobs for ASAN builds on Fedora 42 (amd64)
 
 gcc:asan:
   variables:
@@ -1280,20 +1280,20 @@ gcc:asan:
     CFLAGS: "${CFLAGS_COMMON} -fsanitize=address,undefined"
     LDFLAGS: "-fsanitize=address,undefined"
     EXTRA_CONFIGURE: "--with-libidn2 --without-jemalloc"
-  <<: *fedora_41_amd64_image
+  <<: *fedora_42_amd64_image
   <<: *build_job
 
 system:gcc:asan:
   variables:
     LSAN_OPTIONS: "suppressions=$CI_PROJECT_DIR/suppr-lsan.txt"
-  <<: *fedora_41_amd64_image
+  <<: *fedora_42_amd64_image
   <<: *system_test_job
   needs:
     - job: gcc:asan
       artifacts: true
 
 unit:gcc:asan:
-  <<: *fedora_41_amd64_image
+  <<: *fedora_42_amd64_image
   <<: *unit_test_job
   needs:
     - job: gcc:asan
@@ -1324,7 +1324,7 @@ unit:clang:asan:
     - job: clang:asan
       artifacts: true
 
-# Jobs for TSAN builds on Fedora 41 (amd64)
+# Jobs for TSAN builds on Fedora 42 (amd64)
 
 gcc:tsan:
   variables:
@@ -1332,13 +1332,13 @@ gcc:tsan:
     CFLAGS: "${CFLAGS_COMMON} -Wno-stringop-overread -ggdb -O2 -fsanitize=thread"
     LDFLAGS: "-fsanitize=thread -Wl,--disable-new-dtags"
     EXTRA_CONFIGURE: "--with-libidn2 --enable-pthread-rwlock --without-jemalloc PKG_CONFIG_PATH=/opt/tsan/lib/pkgconfig"
-  <<: *tsan_fedora_41_amd64_image
+  <<: *tsan_fedora_42_amd64_image
   <<: *build_job
 
 system:gcc:tsan:
   variables:
     TSAN_OPTIONS: "${TSAN_OPTIONS_FEDORA}"
-  <<: *tsan_fedora_41_amd64_image
+  <<: *tsan_fedora_42_amd64_image
   <<: *system_test_tsan_job
   needs:
     - job: gcc:tsan
@@ -1347,7 +1347,7 @@ system:gcc:tsan:
 unit:gcc:tsan:
   variables:
     TSAN_OPTIONS: "${TSAN_OPTIONS_FEDORA}"
-  <<: *tsan_fedora_41_amd64_image
+  <<: *tsan_fedora_42_amd64_image
   <<: *unit_test_tsan_job
   needs:
     - job: gcc:tsan
diff --git a/doc/arm/platforms.inc.rst b/doc/arm/platforms.inc.rst
index 9a9f173046..03ce969462 100644
--- a/doc/arm/platforms.inc.rst
+++ b/doc/arm/platforms.inc.rst
@@ -45,7 +45,7 @@ following systems:
 
 -  Debian 12
 -  Ubuntu LTS 20.04, 22.04, 24.04
--  Fedora 41
+-  Fedora 42
 -  Red Hat Enterprise Linux / CentOS / Oracle Linux 8, 9
 -  FreeBSD 13.4, 14.2
 -  Alpine Linux 3.21
diff --git a/util/generate-stress-test-configs.py b/util/generate-stress-test-configs.py
index 98d324f088..06a7a57546 100755
--- a/util/generate-stress-test-configs.py
+++ b/util/generate-stress-test-configs.py
@@ -47,8 +47,8 @@ else:
 ALL_MODES = "recursive", "authoritative", "rpz"
 ALL_PROTOCOLS = "tcp", "doh", "dot"
 ALL_PLATFORMS = (
-    ".fedora-41-amd64",
-    ".fedora-41-arm64",
+    ".fedora-42-amd64",
+    ".fedora-42-arm64",
     ".freebsd-autoscaler-13-amd64-tags",
 )