diff --git a/Golden_Repo/a/arax/arax-0.1-foss-2022a.eb b/Golden_Repo/a/arax/arax-0.1-foss-2022a.eb
index 8d95b8effb9261347b033be666eb2eda52662470..19836608100e06cd2845933bd2c2f6c95cc86b69 100644
--- a/Golden_Repo/a/arax/arax-0.1-foss-2022a.eb
+++ b/Golden_Repo/a/arax/arax-0.1-foss-2022a.eb
@@ -5,9 +5,11 @@ description = "Initial easybuild arax release"
 toolchain = {'name': 'foss', 'version': '2022a'}
 
 source_urls = [
-    'https://github.com/CARV-ICS-FORTH/arax/archive/refs/heads/'
+    'https://github.com/CARV-ICS-FORTH/arax/archive/'
 ]
 
-sources = ['master.tar.gz']
+sources = ['e5337fe.tar.gz']
+checksums = ['a7700904080faf284d807774e8f764976bb97a192162ee5e344725cad6933845']
+
 easyblock = 'CMakeMake'
 moduleclass = 'lib'
diff --git a/Golden_Repo/s/SHAMBLES/SHAMBLES-0.1.eb b/Golden_Repo/s/SHAMBLES/SHAMBLES-0.1.eb
index 0920eaf9cc78db2e2c9c08ce22206cb079549784..1148d21a59a53aa0fcc917d998f66bc9fca5365d 100644
--- a/Golden_Repo/s/SHAMBLES/SHAMBLES-0.1.eb
+++ b/Golden_Repo/s/SHAMBLES/SHAMBLES-0.1.eb
@@ -5,10 +5,11 @@ description = "Initial release for easybuild SHMABLES"
 toolchain = SYSTEM
 
 source_urls = [
-    'https://github.com/CARV-ICS-FORTH/shambles/archive/refs/heads/'
+    'https://github.com/CARV-ICS-FORTH/shambles/archive/'
 ]
 
-sources = ['master.tar.gz']
+sources = ['8cb54a4.tar.gz']
+checksums = ['a67f5f7cbd90feb79f0df67d36b31b5e1bf707a1bad75400835d6c62632f5fc2']
 easyblock = 'ConfigureMake'
 preconfigopts = 'cd jemalloc && ./autogen.sh && '
 prebuildopts = 'cd jemalloc && '