diff --git a/ci/x86_64-linux-debug.sh b/ci/x86_64-linux-debug.sh
index 3ae72f7ef512545300ba1d28a10d7b6aae99b627..b72e72ae2463274d669253bcb1c03b058c8a9710 100755
--- a/ci/x86_64-linux-debug.sh
+++ b/ci/x86_64-linux-debug.sh
@@ -58,6 +58,7 @@ stage3-debug/bin/zig fmt --check .. \
 stage3-debug/bin/zig build -Dtarget=arm-linux-musleabihf
 
 stage3-debug/bin/zig build test docs \
+  --maxrss 21000000000 \
   -fqemu \
   -fwasmtime \
   -Dstatic-llvm \
diff --git a/ci/x86_64-linux-release.sh b/ci/x86_64-linux-release.sh
index f8b94addcc97f88c401c69878e8ac799a91b87f2..4351707864080ea932605c5c16b2a159d7e0c0ea 100755
--- a/ci/x86_64-linux-release.sh
+++ b/ci/x86_64-linux-release.sh
@@ -59,6 +59,7 @@ stage3-release/bin/zig fmt --check .. \
 stage3-release/bin/zig build -Dtarget=arm-linux-musleabihf
 
 stage3-release/bin/zig build test docs \
+  --maxrss 21000000000 \
   -fqemu \
   -fwasmtime \
   -Dstatic-llvm \