diff --git a/.ci/requirements.in b/.ci/requirements.in
index 81a44a921..94e94009e 100644
--- a/.ci/requirements.in
+++ b/.ci/requirements.in
@@ -1,5 +1,5 @@
 -r requirements-fonttools.in
-meson==1.4.1
+meson==1.5.1
 gcovr==5.0
 ninja
 setuptools # https://github.com/harfbuzz/harfbuzz/issues/4475
diff --git a/.ci/requirements.txt b/.ci/requirements.txt
index 3dd5db520..e8c106112 100644
--- a/.ci/requirements.txt
+++ b/.ci/requirements.txt
@@ -212,9 +212,9 @@ markupsafe==2.1.3 \
     --hash=sha256:fec21693218efe39aa7f8599346e90c705afa52c5b31ae019b2e57e8f6542bb2 \
     --hash=sha256:ffcc3f7c66b5f5b7931a5aa68fc9cecc51e685ef90282f4a82f0f5e9b704ad11
     # via jinja2
-meson==1.4.1 \
-    --hash=sha256:1b8aad738a5f6ae64294cc8eaba9a82988c1c420204484ac02ef782e5bba5f49 \
-    --hash=sha256:d5acc3abae2dad3c70ddcbd10acac92b78b144d34d43f40f5b8ac31dfd8a826a
+meson==1.5.1 \
+    --hash=sha256:5531e24e6cfd6000bf1c712793cf28dff032841370b1a3b941a894e4fde46e5a \
+    --hash=sha256:567e533adf255de73a2de35049b99923caf872a455af9ce03e01077e0d384bed
     # via -r requirements.in
 ninja==1.11.1.1 \
     --hash=sha256:18302d96a5467ea98b68e1cae1ae4b4fb2b2a56a82b955193c637557c7273dbd \