diff --git a/maia2/requirements.txt b/maia2/requirements.txt
index 83b4a04..f54d7e9 100644
--- a/maia2/requirements.txt
+++ b/maia2/requirements.txt
@@ -1,12 +1,12 @@
 # Exact direct dependency versions used for Maia-2 release validation. The
 # compatible runtime ranges exposed to package installers live in pyproject.toml.
-chess==1.10.0
-einops==0.8.0
-gdown==5.2.2
-numpy==2.1.3
-pandas==2.2.3
-pyyaml==6.0.2
+chess==1.11.2
+einops==0.8.2
+gdown==6.1.0
+numpy==2.2.6
+pandas==2.3.3
+pyyaml==6.0.3
 pyzstd==0.19.1
-requests==2.33.0
-torch==2.8.0
-tqdm==4.66.3
+requests==2.34.2
+torch==2.13.0
+tqdm==4.68.4
diff --git a/pyproject.toml b/pyproject.toml
index ec51ee0..ea0d0d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["flit_core >=3.2,<4"]
+requires = ["flit_core >=3.12.0,<4"]
 build-backend = "flit_core.buildapi"
 
 [project]
@@ -23,23 +23,23 @@ classifiers = [
 ]
 dynamic = ["version"]
 dependencies = [
-    "chess>=1.10.0,<2",
-    "einops>=0.8.0,<1",
-    "gdown>=5.2.2,<6",
-    "numpy>=2.1.3,<3",
-    "pandas>=2.2.3,<3",
-    "pyyaml>=6.0.2,<7",
+    "chess>=1.11.2,<2",
+    "einops>=0.8.2,<1",
+    "gdown>=6.1.0,<7",
+    "numpy>=2.2.6,<3",
+    "pandas>=2.3.3,<3",
+    "pyyaml>=6.0.3,<7",
     "pyzstd>=0.19.1,<0.20",
-    "requests>=2.33.0,<3",
-    "torch>=2.8.0,<2.9",
-    "tqdm>=4.66.3,<5",
+    "requests>=2.34.2,<3",
+    "torch>=2.13.0,<2.14",
+    "tqdm>=4.68.4,<5",
 ]
 
 [project.optional-dependencies]
 dev = [
-    "build>=1.2,<2",
-    "pytest>=8,<9",
-    "ruff>=0.14,<1",
+    "build>=1.5.0,<2",
+    "pytest>=9.1.1,<10",
+    "ruff>=0.15.21,<1",
 ]
 
 [project.urls]