diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf42a33e9..ba3c5ad89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,18 @@
 # KMath
 
 ## [Unreleased]
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+## [0.1.4]
 
 ### Added
 - Functional Expressions API
diff --git a/build.gradle.kts b/build.gradle.kts
index 3a9991443..c3cbcc187 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins { id("ru.mipt.npm.publish") apply false }
 
-val kmathVersion: String by extra("0.1.4-dev-8")
+val kmathVersion: String by extra("0.1.4")
 val bintrayRepo: String by extra("scientifik")
 val githubProject: String by extra("kmath")
 
diff --git a/examples/src/main/kotlin/scientifik/kmath/operations/BigIntDemo.kt b/examples/src/main/kotlin/scientifik/kmath/operations/BigIntDemo.kt
new file mode 100644
index 000000000..10b038943
--- /dev/null
+++ b/examples/src/main/kotlin/scientifik/kmath/operations/BigIntDemo.kt
@@ -0,0 +1,8 @@
+package scientifik.kmath.operations
+
+fun main() {
+    val res = BigIntField {
+        number(1) * 2
+    }
+    println("bigint:$res")
+}
\ No newline at end of file