diff --git a/src/release.rs b/src/release.rs
index b7c769a6..99d2b07c 100644
--- a/src/release.rs
+++ b/src/release.rs
@@ -105,12 +105,13 @@ pub static RELEASE_TRIPLES: Lazy<BTreeMap<&'static str, TripleRelease>> = Lazy::
     );
 
     // Windows.
+    // TODO: Python 3.14 support on Windows
     h.insert(
         "i686-pc-windows-msvc",
         TripleRelease {
             suffixes: vec!["pgo"],
             install_only_suffix: "pgo",
-            python_version_requirement: None,
+            python_version_requirement: Some(VersionSpecifier::from_str("<3.14").unwrap()),
             conditional_suffixes: vec![ConditionalSuffixes {
                 python_version_requirement: VersionSpecifier::from_str(">=3.13").unwrap(),
                 suffixes: vec!["freethreaded+pgo"],
@@ -122,7 +123,7 @@ pub static RELEASE_TRIPLES: Lazy<BTreeMap<&'static str, TripleRelease>> = Lazy::
         TripleRelease {
             suffixes: vec!["pgo"],
             install_only_suffix: "pgo",
-            python_version_requirement: None,
+            python_version_requirement: Some(VersionSpecifier::from_str("<3.14").unwrap()),
             conditional_suffixes: vec![ConditionalSuffixes {
                 python_version_requirement: VersionSpecifier::from_str(">=3.13").unwrap(),
                 suffixes: vec!["freethreaded+pgo"],
@@ -137,7 +138,7 @@ pub static RELEASE_TRIPLES: Lazy<BTreeMap<&'static str, TripleRelease>> = Lazy::
         TripleRelease {
             suffixes: vec!["pgo"],
             install_only_suffix: "pgo",
-            python_version_requirement: None,
+            python_version_requirement: Some(VersionSpecifier::from_str("<3.14").unwrap()),
             conditional_suffixes: vec![ConditionalSuffixes {
                 python_version_requirement: VersionSpecifier::from_str(">=3.13").unwrap(),
                 suffixes: vec!["freethreaded+pgo"],
@@ -149,7 +150,7 @@ pub static RELEASE_TRIPLES: Lazy<BTreeMap<&'static str, TripleRelease>> = Lazy::
         TripleRelease {
             suffixes: vec!["pgo"],
             install_only_suffix: "pgo",
-            python_version_requirement: None,
+            python_version_requirement: Some(VersionSpecifier::from_str("<3.14").unwrap()),
             conditional_suffixes: vec![ConditionalSuffixes {
                 python_version_requirement: VersionSpecifier::from_str(">=3.13").unwrap(),
                 suffixes: vec!["freethreaded+pgo"],