diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe833e661..fb0d9ad47 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,9 @@
 
 Enhancements:
 * Add eip1559BaseFeeMinValue and eip1559BaseFeeMinValueTransition spec options
-* Activate eip1559BaseFeeMinValue on xDai at London hardfork block (19040000)
-* Delay difficulty bomb to June 2022 (EIP-4345)
+* Activate eip1559BaseFeeMinValue on xDai at London hardfork block (19040000), set it to 20 GWei
+* Activate eip1559BaseFeeMinValue on POA Core at block 24199500 (November 8, 2021), set it to 10 GWei
+* Delay difficulty bomb to June 2022 for Ethereum Mainnet (EIP-4345)
 
 ## OpenEthereum v3.3.0-rc.13
 
diff --git a/crates/ethcore/res/chainspec/poacore.json b/crates/ethcore/res/chainspec/poacore.json
index eaeb47a07..f5ce6ec5c 100644
--- a/crates/ethcore/res/chainspec/poacore.json
+++ b/crates/ethcore/res/chainspec/poacore.json
@@ -55,6 +55,8 @@
 		"eip1559BaseFeeMaxChangeDenominator": "0x8",
 		"eip1559ElasticityMultiplier": "0x2",
 		"eip1559BaseFeeInitialValue": "0x3b9aca00",
+		"eip1559BaseFeeMinValue": "0x2540be400",
+		"eip1559BaseFeeMinValueTransition": 24199500,
 		"eip1559FeeCollector": "0x517F3AcfF3aFC2fb45e574718bca6F919b798e10",
 		"eip1559FeeCollectorTransition": 24090200
 	},