diff --git a/website2/documentation/concepts.mdx b/website2/documentation/concepts.mdx
index e1f2d01a..f88ce44f 100644
--- a/website2/documentation/concepts.mdx
+++ b/website2/documentation/concepts.mdx
@@ -17,11 +17,11 @@ of the above entities and give them structure. `Project`s are described at the
 bottom in the [Projects](#projects) section.
 
 All of these concepts are implemented as typescript types. Feel free to browse
-the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts) as well.
+the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts) as well.
 
 ## Environments
 
-(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts/~/Environment).)
+(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts/~/Environment).)
 
 `Environment`s define what is available to a computation. For example they can
 contain compilers and developer tools that you want to use on a project, but
@@ -41,7 +41,7 @@ what the `Environment`s provide. For example `Check`s, which are our next topic.
 
 ## Checks
 
-(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts/~/Check).)
+(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts/~/Check).)
 
 `Check`s are commands (usually shell commands) that are used to define
 reproducible, automated tests or other checks. They run in a sandbox, which
@@ -64,7 +64,7 @@ configuration.
 
 ## Executables
 
-(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts/~/Executable).)
+(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts/~/Executable).)
 
 `Executable`s are commands (usually shell snippets) that are being run on your
 local machine (not in a sandbox). They are based on an underlying `Environment`,
@@ -80,7 +80,7 @@ and can make use of e.g. the tools that `Environment`s provide. You can use
 Here's a small example:
 
 ```typescript
-import * as garn from "https://garn.io/ts/v0.0.19/mod.ts";
+import * as garn from "https://garn.io/ts/v0.0.20/mod.ts";
 
 export const hello =
   garn.emptyEnvironment.shell("echo Hello, world!");
@@ -90,7 +90,7 @@ You can run `Executable`s with `garn run`.
 
 ## Packages
 
-(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts/~/Package).)
+(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts/~/Package).)
 
 `Package`s are instructions to `garn` about how to _build_ a set of files. For
 example for a Go backend a package would define how to compile it into
@@ -106,7 +106,7 @@ You can build `Package`s with `garn build`.
 
 ## Projects
 
-(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts/~/Project).)
+(See also the [API docs](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts/~/Project).)
 
 `Project`s are used to combine `Environment`s, `Check`s, `Executable`s and
 `Package`s into a single entity. A `Project` can contain any number of these
@@ -125,8 +125,8 @@ that contains a few `Check`s and adds a developer tool to its default
 environment:
 
 ```typescript
-import * as garn from "https://garn.io/ts/v0.0.19/mod.ts";
-import * as pkgs from "https://garn.io/ts/v0.0.19/nixpkgs.ts";
+import * as garn from "https://garn.io/ts/v0.0.20/mod.ts";
+import * as pkgs from "https://garn.io/ts/v0.0.20/nixpkgs.ts";
 
 export const project = garn.javascript
   .mkNpmProject({
diff --git a/website2/documentation/getting_started.mdx b/website2/documentation/getting_started.mdx
index ffdaeeb8..bee32824 100644
--- a/website2/documentation/getting_started.mdx
+++ b/website2/documentation/getting_started.mdx
@@ -49,7 +49,7 @@ To update garn to a new version you can run:
 nix profile list
 # Find the index number of the entry where 'Original flake URL' starts with `github:garnix-io/garn`.
 nix profile remove <garn index number>
-nix profile install github:garnix-io/garn/v0.0.19
+nix profile install github:garnix-io/garn/v0.0.20
 ```
 
 ### Manual installation
@@ -162,4 +162,4 @@ garn --fish-completion-script (which garn) > ~/.config/fish/completions/garn.fis
 
 - [tutorial](/docs/tutorial)
 - [garn concepts](/docs/concepts)
-- [typescript api](https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts)
+- [typescript api](https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts)
diff --git a/website2/documentation/tutorial.mdx b/website2/documentation/tutorial.mdx
index 9d20a6a8..2bdf254c 100644
--- a/website2/documentation/tutorial.mdx
+++ b/website2/documentation/tutorial.mdx
@@ -22,8 +22,8 @@ construct projects for common stacks, but you can also define these yourself.
 Here is an example `garn.ts` file for a single node-based project:
 
 ```typescript
-import * as garn from "https://garn.io/ts/v0.0.19/mod.ts";
-import * as pkgs from "https://garn.io/ts/v0.0.19/nixpkgs.ts";
+import * as garn from "https://garn.io/ts/v0.0.20/mod.ts";
+import * as pkgs from "https://garn.io/ts/v0.0.20/nixpkgs.ts";
 
 export const frontend = garn.javascript.mkNpmProject({
   description: "my frontend",
diff --git a/website2/src/components/documentationPage/sidebar/index.tsx b/website2/src/components/documentationPage/sidebar/index.tsx
index 80fd4213..738e8b8a 100644
--- a/website2/src/components/documentationPage/sidebar/index.tsx
+++ b/website2/src/components/documentationPage/sidebar/index.tsx
@@ -28,7 +28,7 @@ export const Sidebar = ({ links, active }: Props) => {
       ))}
       <Link
         className={styles.link}
-        href="https://doc.deno.land/https://garn.io/ts/v0.0.19/mod.ts"
+        href="https://doc.deno.land/https://garn.io/ts/v0.0.20/mod.ts"
         target="_blank"
       >
         Typescript API