diff --git a/CHANGELOG.md b/CHANGELOG.md
index 443e241..e0bcb84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [[3.0.4]](https://github.com/iExecBlockchainComputing/iexec-commons-poco/releases/tag/v3.0.4) 2023-06-23
+
+### Bug Fixes
+- Fix regression on `DealParams` deserialization. (#43)
+
 ## [[3.0.3]](https://github.com/iExecBlockchainComputing/iexec-commons-poco/releases/tag/v3.0.3) 2023-06-22
 
 ### New Features
diff --git a/gradle.properties b/gradle.properties
index c6d4429..ba1001c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-version=3.0.3
+version=3.0.4
 
 nexusUser
 nexusPassword
diff --git a/src/main/java/com/iexec/commons/poco/chain/DealParams.java b/src/main/java/com/iexec/commons/poco/chain/DealParams.java
index 2673b65..ad079dc 100644
--- a/src/main/java/com/iexec/commons/poco/chain/DealParams.java
+++ b/src/main/java/com/iexec/commons/poco/chain/DealParams.java
@@ -100,7 +100,7 @@ public class DealParams {
     @JsonProperty("iexec_input_files")
     List<String> iexecInputFiles = Collections.emptyList();
 
-    @JsonProperty("iexec_developper_logger")
+    @JsonProperty("iexec_developer_logger")
     boolean iexecDeveloperLoggerEnabled;
 
     @JsonProperty("iexec_result_encryption")