diff --git a/.github/workflows/bitcoin-core-ci.yml b/.github/workflows/bitcoin-core-ci.yml
index 0a4634c..e6ac83f 100644
--- a/.github/workflows/bitcoin-core-ci.yml
+++ b/.github/workflows/bitcoin-core-ci.yml
@@ -33,8 +33,8 @@ jobs:
         include:
           - name: 'ASan + UBSan'
             unit_test_runs: 15
-            functional_test_runs: 300
-            nproc_multiplier: 10
+            functional_test_runs: 20
+            nproc_multiplier: 2
             functional_timeout_factor: 40
             runner: ubuntu-24.04
             apt-llvm: true
@@ -61,8 +61,8 @@ jobs:
 
           - name: 'macOS'
             unit_test_runs: 50
-            functional_test_runs: 200
-            nproc_multiplier: 5
+            functional_test_runs: 20
+            nproc_multiplier: 2
             functional_timeout_factor: 40
             runner: macos-15
             brew-packages: ccache capnp boost libevent sqlite pkgconf ninja
@@ -170,8 +170,8 @@ jobs:
         include:
           - name: TSan
             unit_test_runs: 8
-            functional_test_runs: 300
-            nproc_multiplier: 10
+            functional_test_runs: 25
+            nproc_multiplier: 2
             functional_timeout_factor: 40
 
     env: