diff --git a/tests/prague/eip2537_bls_12_381_precompiles/spec.py b/tests/prague/eip2537_bls_12_381_precompiles/spec.py
index e0e1d14e8b..f99332f767 100644
--- a/tests/prague/eip2537_bls_12_381_precompiles/spec.py
+++ b/tests/prague/eip2537_bls_12_381_precompiles/spec.py
@@ -133,12 +133,12 @@ class Spec:
     MAP_FP2_TO_G2 = 0x13
 
     # Gas constants
-    G1ADD_GAS = 500
+    G1ADD_GAS = 375
     G1MUL_GAS = 12_000
-    G2ADD_GAS = 800
-    G2MUL_GAS = 45_000
+    G2ADD_GAS = 600
+    G2MUL_GAS = 22_500
     MAP_FP_TO_G1_GAS = 5_500
-    MAP_FP2_TO_G2_GAS = 75_000
+    MAP_FP2_TO_G2_GAS = 23_800
     PAIRING_BASE_GAS = 37_700
     PAIRING_PER_PAIR_GAS = 32_600