diff --git a/README.md b/README.md
index 9a37d73..ea6ceb5 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ Now run Rings<i>.repl</i>:
 ``` scala
 $ rings.repl
 Loading...
-Rings 2.0: efficient Java/Scala library for polynomial rings
+Rings 2.1: efficient Java/Scala library for polynomial rings
 
 @ implicit val ring = MultivariateRing(Z, Array("x", "y", "z"))
 ring: MultivariateRing[IntZ] = MultivariateRing(Z, Array("x", "y", "z"), LEX)
@@ -65,7 +65,7 @@ res13: FactorDecomposition[MultivariatePolynomial[IntZ]] = 16*x*(-z+y)*(z^2-2*y*
 Rings are currently available for Java and Scala. To get started with Scala SBT, simply add the following dependence to your `build.sbt` file:
 
 ``` scala
-libraryDependencies += "cc.redberry" % "rings.scaladsl" % "2.0"
+libraryDependencies += "cc.redberry" % "rings.scaladsl" % "2.1"
 ```
 
 For using Rings solely in Java there is Maven artifact:
@@ -74,7 +74,7 @@ For using Rings solely in Java there is Maven artifact:
 <dependency>
     <groupId>cc.redberry</groupId>
     <artifactId>rings</artifactId>
-    <version>2.0</version>
+    <version>2.1</version>
 </dependency>
 ```
 
diff --git a/doc/quickstart.rst b/doc/quickstart.rst
index 3a669d9..033bd7d 100644
--- a/doc/quickstart.rst
+++ b/doc/quickstart.rst
@@ -36,7 +36,7 @@ Now run |Rings|\ *.repl*:
 
 	$ rings.repl
 	Loading...
-	Rings 2.0: efficient Java/Scala library for polynomial rings
+	Rings 2.1: efficient Java/Scala library for polynomial rings
 
 	@ implicit val ring = MultivariateRing(Z, Array("x", "y", "z"))
 	ring: MultivariateRing[IntZ] = MultivariateRing(Z, Array("x", "y", "z"), LEX)
@@ -59,7 +59,7 @@ Java/Scala library
 
 .. code-block:: scala
 
-	libraryDependencies += "cc.redberry" % "rings.scaladsl" % "2.0"
+	libraryDependencies += "cc.redberry" % "rings.scaladsl" % "2.1"
 
 For using |Rings| solely in Java there is Maven artifact:
 
@@ -68,7 +68,7 @@ For using |Rings| solely in Java there is Maven artifact:
 	<dependency>
 	    <groupId>cc.redberry</groupId>
 	    <artifactId>rings</artifactId>
-	    <version>2.0</version>
+	    <version>2.1</version>
 	</dependency>
 
 Examples: algebra, GCDs, factorization