diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8bfc780f5..8ee87bcd6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -49,7 +49,7 @@ jobs:
           gmp-devel java-1.8.0-openjdk-devel libcurl-devel make mpfr-devel perl unzip which zip
           curl -o tagsoup.jar "https://repo1.maven.org/maven2/org/ccil/cowan/tagsoup/tagsoup/1.2.1/tagsoup-1.2.1.jar"
           sha256sum tagsoup.jar | awk '$1!="ac97f7b4b1d8e9337edfa0e34044f8d0efe7223f6ad8f3a85d54cc1018ea2e04"{exit 1}'
-          curl -o rhino.zip "https://mediacdn.prod.productdelivery.prod.webservices.mozgcp.net/pub/js/rhino1_6R7.zip"
+          curl -o rhino.zip "https://ftp.mozilla.org/pub/js/rhino1_6R7.zip"
           sha256sum rhino.zip | awk '$1!="c94c6de3a29b3acbc4eee732e688f75a5d94bd02c9878be4ceb4d3cd220f3866"{exit 1}'
           unzip -j rhino.zip "*/js.jar"
 
@@ -161,7 +161,7 @@ jobs:
           sha256sum tagsoup.jar | awk '$1!="ac97f7b4b1d8e9337edfa0e34044f8d0efe7223f6ad8f3a85d54cc1018ea2e04"{exit 1}'
           curl -o mslinks.jar "https://repo1.maven.org/maven2/com/github/vatbub/mslinks/1.0.5/mslinks-1.0.5.jar"
           sha256sum mslinks.jar | awk '$1!="e14d756f81b310b75baeb5baf219d25592b6a8635eb215c4059f17493b0cea5c"{exit 1}'
-          curl -o rhino.zip "https://mediacdn.prod.productdelivery.prod.webservices.mozgcp.net/pub/js/rhino1_6R7.zip"
+          curl -o rhino.zip "https://ftp.mozilla.org/pub/js/rhino1_6R7.zip"
           sha256sum rhino.zip | awk '$1!="c94c6de3a29b3acbc4eee732e688f75a5d94bd02c9878be4ceb4d3cd220f3866"{exit 1}'
           unzip -j rhino.zip "*/js.jar"
 
@@ -259,7 +259,7 @@ jobs:
           brew install autoconf automake coreutils freetype gnu-sed rust
           curl -o tagsoup.jar "https://repo1.maven.org/maven2/org/ccil/cowan/tagsoup/tagsoup/1.2.1/tagsoup-1.2.1.jar"
           sha256sum tagsoup.jar | awk '$1!="ac97f7b4b1d8e9337edfa0e34044f8d0efe7223f6ad8f3a85d54cc1018ea2e04"{exit 1}'
-          curl -o rhino.zip "https://mediacdn.prod.productdelivery.prod.webservices.mozgcp.net/pub/js/rhino1_6R7.zip"
+          curl -o rhino.zip "https://ftp.mozilla.org/pub/js/rhino1_6R7.zip"
           sha256sum rhino.zip | awk '$1!="c94c6de3a29b3acbc4eee732e688f75a5d94bd02c9878be4ceb4d3cd220f3866"{exit 1}'
           unzip -j rhino.zip "*/js.jar"
 
@@ -391,7 +391,7 @@ jobs:
             exit 1
           }
           # Retrieve Rhino
-          Invoke-WebRequest -UseBasicParsing 'https://ftp.mozilla.org/pub/mozilla.org/js/rhino1_6R7.zip' -OutFile 'rhino1_6R7.zip'
+          Invoke-WebRequest -UseBasicParsing 'https://ftp.mozilla.org/pub/js/rhino1_6R7.zip' -OutFile 'rhino1_6R7.zip'
           $checksum = (Get-FileHash -Algorithm SHA256 'rhino1_6R7.zip' | Select-Object -ExpandProperty Hash) 
           If ($checksum -ne "C94C6DE3A29B3ACBC4EEE732E688F75A5D94BD02C9878BE4CEB4D3CD220F3866") {
             Write-Host "Checksums did not match!"