diff --git a/programming/language/rust/pspec.xml b/programming/language/rust/pspec.xml
index f1b574569b..2fee26ce69 100755
--- a/programming/language/rust/pspec.xml
+++ b/programming/language/rust/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>app</IsA>
         <Summary>Systems programming language focused on safety, speed and concurrency</Summary>
         <Description>Systems programming language focused on safety, speed and concurrency</Description>
-        <Archive sha1sum="5a337c88aeb04a31011037671588fd66b046ca32" type="targz">https://static.rust-lang.org/dist/rustc-1.48.0-src.tar.gz</Archive>
+        <Archive sha1sum="5a337c88aeb04a31011037671588fd66b046ca32" type="targz">https://static.rust-lang.org/dist/rustc-1.47.0-src.tar.gz</Archive>
         <AdditionalFiles>
             <AdditionalFile target="config.toml">bootstrap-config.toml</AdditionalFile>
         </AdditionalFiles>
@@ -62,8 +62,8 @@
 
     <History>
         <Update release="17">
-            <Date>2020-11-21</Date>
-            <Version>1.48.0</Version>
+            <Date>2020-11-12</Date>
+            <Version>1.47.0</Version>
             <Comment>Version bump.</Comment>
             <Name>İdris Kalp</Name>
             <Email>idriskalp@gmail.com</Email>