diff --git a/.github/workflows/perf.yml b/.github/workflows/perf.yml
index de11e1ac4..bf1cb8443 100644
--- a/.github/workflows/perf.yml
+++ b/.github/workflows/perf.yml
@@ -30,6 +30,8 @@ jobs:
             3.12
             3.13
             3.14
+            3.15
+          allow-prereleases: true
 
       - name: Install uv
         uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
diff --git a/asv.conf.json b/asv.conf.json
index 2af0057c7..9500fb2c5 100644
--- a/asv.conf.json
+++ b/asv.conf.json
@@ -15,5 +15,5 @@
             "PYTHONHASHSEED": ["0"]
         }
     },
-    "pythons": ["3.10", "3.11", "3.12", "3.13", "3.14"]
+    "pythons": ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]
 }