diff --git a/tests/testlib/wakucore.nim b/tests/testlib/wakucore.nim
index 92e470bee..fd05010c2 100644
--- a/tests/testlib/wakucore.nim
+++ b/tests/testlib/wakucore.nim
@@ -22,17 +22,17 @@ proc ts*(offset = 0, origin = now()): Timestamp =
 # Switch
 
 proc generateEcdsaKey*(): libp2p_keys.PrivateKey =
-  # libp2p v2.0.0 also exports a `rng` symbol (returns the new `Rng` wrapper),
-  # so the unqualified `rng[]` here is ambiguous against our local
-  # `common.rng` template. Qualify explicitly to keep using the
-  # `ref HmacDrbgContext` that `PrivateKey.random` expects.
-  libp2p_keys.PrivateKey.random(ECDSA, common.rng()[]).get()
+  # libp2p v2.0.0's 3-arg `random(T, scheme, rng)` overload now takes the
+  # `Rng` wrapper instead of `var HmacDrbgContext`. Wrap our existing
+  # `ref HmacDrbgContext` (from `common.rng`) via `newBearSslRng` to satisfy
+  # the new signature without re-seeding a fresh PRNG each call.
+  libp2p_keys.PrivateKey.random(ECDSA, newBearSslRng(common.rng())).get()
 
 proc generateEcdsaKeyPair*(): libp2p_keys.KeyPair =
-  libp2p_keys.KeyPair.random(ECDSA, common.rng()[]).get()
+  libp2p_keys.KeyPair.random(ECDSA, newBearSslRng(common.rng())).get()
 
 proc generateSecp256k1Key*(): libp2p_keys.PrivateKey =
-  libp2p_keys.PrivateKey.random(Secp256k1, common.rng()[]).get()
+  libp2p_keys.PrivateKey.random(Secp256k1, newBearSslRng(common.rng())).get()
 
 proc ethSecp256k1Key*(hex: string): eth_keys.PrivateKey =
   eth_keys.PrivateKey.fromHex(hex).get()