diff --git a/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsCustodyDecoder.tjava b/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsCustodyDecoder.tjava
index fc2ceb9..04fcda1 100644
--- a/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsCustodyDecoder.tjava
+++ b/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsCustodyDecoder.tjava
@@ -1,7 +1,8 @@
 package com.r35157.libs.jupiter.perps.impl.anchoridl;
 
+import com.r35157.libs.codec.Base58Codec;
+import com.r35157.libs.codec.impl.ref.Base58CodecImpl;
 import com.r35157.libs.solana.SolanaAccountInfo;
-import org.apache.commons.codec.binary.Base58;
 
 import java.util.Base64;
 
@@ -45,5 +46,5 @@ class AnchorIdlJupiterPerpsCustodyDecoder {
             ANCHOR_DISCRIMINATOR_LENGTH
                     + PUBLIC_KEY_LENGTH; // pool
 
-    private static final Base58 base58 = Base58.getInstance();
+    private static final Base58Codec base58 = new Base58CodecImpl();
 }
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