diff --git a/master/master.cfg b/master/master.cfg
index e8e96f57..bd23c759 100644
--- a/master/master.cfg
+++ b/master/master.cfg
@@ -92,10 +92,15 @@ HALIDE_RELEASE_13 = 'release_13'
 HALIDE_RELEASE_12 = 'release_12'
 HALIDE_RELEASE_11 = 'release_11'
 
-_HALIDE_RELEASES = [HALIDE_RELEASE_12, HALIDE_RELEASE_11]
+_HALIDE_RELEASES = [
+    HALIDE_RELEASE_13, 
+    HALIDE_RELEASE_12, 
+    HALIDE_RELEASE_11,
+]
 
 # TODO: HALIDE_MAIN is currently being built against LLVM main (aka 14), but should switch to LLVM13 soon.
 HALIDE_BRANCHES = {HALIDE_MAIN: VersionedBranch(ref='master', version=Version(13, 0, 0)),
+                   HALIDE_RELEASE_13: VersionedBranch(ref='release/13.x', version=Version(13, 0, 0)),
                    HALIDE_RELEASE_12: VersionedBranch(ref='release/12.x', version=Version(12, 0, 1)),
                    HALIDE_RELEASE_11: VersionedBranch(ref='release/11.x', version=Version(11, 0, 1))}
 
@@ -105,6 +110,7 @@ HALIDE_BRANCHES = {HALIDE_MAIN: VersionedBranch(ref='master', version=Version(13
 # TODO: HALIDE_MAIN needs to test against LLVM_MAIN and also LLVM_RELEASE_13 + LLVM_RELEASE_12, for now anyway
 LLVM_FOR_HALIDE = {
     HALIDE_MAIN: [LLVM_MAIN, LLVM_RELEASE_13, LLVM_RELEASE_12],
+    HALIDE_RELEASE_13: [LLVM_RELEASE_13],
     HALIDE_RELEASE_12: [LLVM_RELEASE_12],
     HALIDE_RELEASE_11: [LLVM_RELEASE_11],
 }