diff --git a/programming/language/rust/pspec.xml b/programming/language/rust/pspec.xml
index dc287b38f5..4bdf409fef 100644
--- a/programming/language/rust/pspec.xml
+++ b/programming/language/rust/pspec.xml
@@ -20,7 +20,7 @@
             <AdditionalFile target="config.toml">bootstrap-config.toml</AdditionalFile>
         </AdditionalFiles>
         <BuildDependencies>
-            <Dependency versionFrom="1.91.0">rust</Dependency>
+            <Dependency versionFrom="1.90.0">rust</Dependency>
             <Dependency>perl</Dependency>"
             <Dependency versionFrom="15.0.7">llvm</Dependency>
             <Dependency>lld-devel</Dependency>