diff --git a/package.json b/package.json
index c26041d..8d134e7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "celo-oracle",
-  "version": "2.0.14-beta",
+  "version": "2.0.15-beta",
   "description": "Oracle application to aggregate and report exchange rates to the Celo network",
   "author": "Celo",
   "license": "Apache-2.0",
diff --git a/src/exchange_adapters/bitso.ts b/src/exchange_adapters/bitso.ts
index 7bd70c4..f1784d4 100644
--- a/src/exchange_adapters/bitso.ts
+++ b/src/exchange_adapters/bitso.ts
@@ -7,7 +7,7 @@ export class BitsoAdapter extends BaseExchangeAdapter implements ExchangeAdapter
   readonly _exchangeName = Exchange.BITSO
   // Internet Security Research Group - validity not after: 9/15/25, 11:00:00 AM EST
   readonly _certFingerprint256 =
-    '76:E9:E2:88:AA:FC:0E:37:F4:39:0C:BF:94:6A:AD:99:7D:5C:1C:90:1B:3C:E5:13:D3:D8:FA:DB:AB:E2:AB:85'
+    '5D:FD:B3:CF:31:B2:6F:23:D8:7C:09:F3:A0:CE:F6:42:F6:40:69:A9:FB:7C:FE:29:27:0B:B5:DC:0F:1E:16:BB'
 
   private static readonly tokenSymbolMap = BitsoAdapter.standardTokenSymbolMap
 
diff --git a/src/exchange_adapters/bittrex.ts b/src/exchange_adapters/bittrex.ts
index 421d81d..c18f954 100644
--- a/src/exchange_adapters/bittrex.ts
+++ b/src/exchange_adapters/bittrex.ts
@@ -7,7 +7,7 @@ export class BittrexAdapter extends BaseExchangeAdapter {
   readonly _exchangeName = Exchange.BITTREX
   // Google Trust Services LLC - validity not after: 30/09/2027, 03:00:42 EEST
   readonly _certFingerprint256 =
-    '16:37:4D:25:0F:40:9A:75:C3:99:05:C3:3E:9F:FF:7D:6D:2C:5E:88:37:79:58:BC:51:7C:97:44:16:96:F4:E0'
+    '1D:FC:16:05:FB:AD:35:8D:8B:C8:44:F7:6D:15:20:3F:AC:9C:A5:C1:A7:9F:D4:85:7F:FA:F2:86:4F:BE:BF:96'
 
   private static readonly tokenSymbolMap = BittrexAdapter.standardTokenSymbolMap
 
diff --git a/src/exchange_adapters/okcoin.ts b/src/exchange_adapters/okcoin.ts
index aed04eb..7020438 100644
--- a/src/exchange_adapters/okcoin.ts
+++ b/src/exchange_adapters/okcoin.ts
@@ -7,7 +7,7 @@ export class OKCoinAdapter extends BaseExchangeAdapter {
 
   // Cloudflare Inc ECC CA-3 - validity not after: 30/09/2027, 03:00:42 EEST
   readonly _certFingerprint256 =
-    '97:D4:20:03:E1:32:55:29:46:09:7F:20:EF:95:5F:5B:1C:D5:70:AA:43:72:D7:80:03:3A:65:EF:BE:69:75:8D'
+    '1D:FC:16:05:FB:AD:35:8D:8B:C8:44:F7:6D:15:20:3F:AC:9C:A5:C1:A7:9F:D4:85:7F:FA:F2:86:4F:BE:BF:96'
 
   readonly _exchangeName = Exchange.OKCOIN
 
diff --git a/src/exchange_adapters/whitebit.ts b/src/exchange_adapters/whitebit.ts
index 917ef68..39071da 100644
--- a/src/exchange_adapters/whitebit.ts
+++ b/src/exchange_adapters/whitebit.ts
@@ -7,7 +7,7 @@ export class WhitebitAdapter extends BaseExchangeAdapter {
   readonly _exchangeName = Exchange.WHITEBIT
   // Cloudflare Inc ECC CA-3 - validity not after: 31/12/2024, 19:59:59 GMT-4
   readonly _certFingerprint256 =
-    '3A:BB:E6:3D:AF:75:6C:50:16:B6:B8:5F:52:01:5F:D8:E8:AC:BE:27:7C:50:87:B1:27:A6:05:63:A8:41:ED:8A'
+    '76:E9:E2:88:AA:FC:0E:37:F4:39:0C:BF:94:6A:AD:99:7D:5C:1C:90:1B:3C:E5:13:D3:D8:FA:DB:AB:E2:AB:85'
 
   private static readonly tokenSymbolMap = this.standardTokenSymbolMap