diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index 4c62955ef..4808be997 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -60,7 +60,7 @@ dependencies {
 
   testFixturesApi("dev.forst:ktor-api-key:2.1.2")
 
-  testFixturesApi("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0")
+  testFixturesApi("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
 }
 
 testing {
diff --git a/json-schema/build.gradle.kts b/json-schema/build.gradle.kts
index f284310c4..ed6701a47 100644
--- a/json-schema/build.gradle.kts
+++ b/json-schema/build.gradle.kts
@@ -21,7 +21,7 @@ dependencies {
   val detektVersion: String by project
 
   implementation("org.jetbrains.kotlin:kotlin-reflect:1.7.20")
-  implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0")
+  implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
 
   // Formatting
   detektPlugins("io.gitlab.arturbosch.detekt:detekt-formatting:$detektVersion")
diff --git a/oas/build.gradle.kts b/oas/build.gradle.kts
index d0de161a7..0b685d83d 100644
--- a/oas/build.gradle.kts
+++ b/oas/build.gradle.kts
@@ -21,7 +21,7 @@ dependencies {
   val detektVersion: String by project
 
   api(projects.kompendiumJsonSchema)
-  implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0")
+  implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
 
   // Formatting
   detektPlugins("io.gitlab.arturbosch.detekt:detekt-formatting:$detektVersion")
diff --git a/playground/build.gradle.kts b/playground/build.gradle.kts
index ef13b5351..7348ff580 100644
--- a/playground/build.gradle.kts
+++ b/playground/build.gradle.kts
@@ -38,7 +38,7 @@ dependencies {
   implementation("org.slf4j:slf4j-simple:2.0.3")
 
 
-  implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0")
+  implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.1")
   implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.0")
 
   implementation("joda-time:joda-time:2.12.0")