diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Revision history for eventlog-socket-command
 
+## 0.1.1.0 -- 2026-04-06
+
+- Add support for builtin `startProfiling` and `stopProfiling` control commands.
+
 ## 0.1.0.0 -- 2026-03-04
 
-* First version. Released on an unsuspecting world.
+- Add support the binary control command protocol version 0.
+- Add support for builtin `startHeapProfiling`, `stopHeapProfiling`, and `requestHeapCensus` control commands.
diff --git a/eventlog-socket-control.cabal b/eventlog-socket-control.cabal
--- a/eventlog-socket-control.cabal
+++ b/eventlog-socket-control.cabal
@@ -1,6 +1,6 @@
 cabal-version:   3.0
 name:            eventlog-socket-control
-version:         0.1.0.0
+version:         0.1.1.0
 synopsis:        Control command protocol for eventlog-socket.
 description:
   The @eventlog-socket-control@ package contains utilities for creating messages for @eventlog-socket@'s control command protocol.
@@ -29,7 +29,7 @@
 source-repository this
   type:     git
   location: https://github.com/well-typed/eventlog-socket.git
-  tag:      eventlog-socket-control-0.1.0.0
+  tag:      eventlog-socket-control-0.1.1.0
   subdir:   eventlog-socket-control
 
 common language
diff --git a/src/GHC/Eventlog/Socket/Control.hs b/src/GHC/Eventlog/Socket/Control.hs
--- a/src/GHC/Eventlog/Socket/Control.hs
+++ b/src/GHC/Eventlog/Socket/Control.hs
@@ -31,6 +31,8 @@
     Command,
     CommandId (..),
     Namespace,
+    startProfiling,
+    stopProfiling,
     startHeapProfiling,
     stopHeapProfiling,
     requestHeapCensus,
@@ -374,6 +376,26 @@
 --------------------------------------------------------------------------------
 -- Builtin Commands
 --------------------------------------------------------------------------------
+
+{- |
+The builtin control command message that starts profiling.
+
+See `GHC.Profiling.startProfTimer`.
+
+@since 0.1.1.0
+-}
+startProfiling :: Command
+startProfiling = Command eventlogSocketNamespace (CommandId 1)
+
+{- |
+The builtin control command message that stops profiling.
+
+See `GHC.Profiling.stopProfTimer`.
+
+@since 0.1.1.0
+-}
+stopProfiling :: Command
+stopProfiling = Command eventlogSocketNamespace (CommandId 2)
 
 {- |
 The builtin control command message that starts heap profiling.