diff --git a/.github/workflows/build-arch-emu.yaml b/.github/workflows/build-arch-emu.yaml
index 3cf40ff13..d19c3af5a 100644
--- a/.github/workflows/build-arch-emu.yaml
+++ b/.github/workflows/build-arch-emu.yaml
@@ -38,19 +38,19 @@ jobs:
         arch: [x86, aarch64, armv7, ppc64le, s390x, riscv64]
         include:
           - arch: x86
-            ccache-max: 80M
+            ccache-max: 64M
             extra-build-libs: ":GraphBLAS:LAGraph"
             extra-check-libs: ":GraphBLAS:LAGraph"
           - arch: aarch64
-            ccache-max: 42M
+            ccache-max: 28M
           - arch: armv7
-            ccache-max: 42M
+            ccache-max: 25M
           - arch: ppc64le
-            ccache-max: 45M
+            ccache-max: 28M
           - arch: s390x
-            ccache-max: 42M
+            ccache-max: 28M
           - arch: riscv64
-            ccache-max: 42M
+            ccache-max: 28M
 
     name: alpine (${{ matrix.arch }})