diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+2021-05-07
+        * Version bump (3.3). (#217)
+        * Document installation process without git submodules. (#214)
+        * Bump upper constraint on what4 version number. (#90)
+        * Remove support for GHC <= 8.4 from CI. (#89)
+
 2021-03-07
         * Version bump (3.2.1). (#85)
         * Renamed Examples directory to examples. (#44)
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -50,7 +50,6 @@
   ```bash
   git clone https://github.com/Copilot-Language/copilot.git
   cd copilot
-  git submodule update --init --remote
   ```
 
   Compiling can either be done in a Nix-style build, or a traditional one:
diff --git a/copilot.cabal b/copilot.cabal
--- a/copilot.cabal
+++ b/copilot.cabal
@@ -1,5 +1,5 @@
 name:                copilot
-version:             3.2.1
+version:             3.3
 cabal-version:       >= 1.10
 license:             BSD3
 license-file:        LICENSE
@@ -50,11 +50,11 @@
                      , directory            >= 1.3  && < 1.4
                      , filepath             >= 1.4  && < 1.5
 
-                     , copilot-core         >= 3.2.1  && < 3.3
-                     , copilot-theorem      >= 3.2.1  && < 3.3
-                     , copilot-language     >= 3.2.1  && < 3.3
-                     , copilot-libraries    >= 3.2.1  && < 3.3
-                     , copilot-c99          >= 3.2.1  && < 3.3
+                     , copilot-core         >= 3.3  && < 3.4
+                     , copilot-theorem      >= 3.3  && < 3.4
+                     , copilot-language     >= 3.3  && < 3.4
+                     , copilot-libraries    >= 3.3  && < 3.4
+                     , copilot-c99          >= 3.3  && < 3.4
 
 
     exposed-modules: Language.Copilot, Language.Copilot.Main