diff --git a/etc/config/c3.amazon.properties b/etc/config/c3.amazon.properties
index a6a59b25e..2daf7c4c2 100644
--- a/etc/config/c3.amazon.properties
+++ b/etc/config/c3.amazon.properties
@@ -1,10 +1,10 @@
 compilers=&c3c
 compilerType=c3c
-defaultCompiler=c3c072
+defaultCompiler=c3c074
 supportsBinary=false
 supportsBinaryObject=false
 supportsExecute=false
-group.c3c.compilers=c3c04:c3c050:c3c055:c3c060:c3c061:c3c062:c3c063:c3c064:c3c065:c3c066:c3c067:c3c068:c3c070:c3c071:c3c072
+group.c3c.compilers=c3c04:c3c050:c3c055:c3c060:c3c061:c3c062:c3c063:c3c064:c3c065:c3c066:c3c067:c3c068:c3c070:c3c071:c3c072:c3c073:c3c074
 group.c3c.isSemVer=true
 group.c3c.baseName=c3
 
@@ -53,3 +53,9 @@ compiler.c3c071.exe=/opt/compiler-explorer/c3-0.7.1/c3c
 
 compiler.c3c072.semver=0.7.2
 compiler.c3c072.exe=/opt/compiler-explorer/c3-0.7.2/c3c
+
+compiler.c3c073.semver=0.7.3
+compiler.c3c073.exe=/opt/compiler-explorer/c3-0.7.3/c3c
+
+compiler.c3c074.semver=0.7.4
+compiler.c3c074.exe=/opt/compiler-explorer/c3-0.7.4/c3c