diff --git a/Formula/m/micromamba.rb b/Formula/m/micromamba.rb
index b11d6b71776e..bf4cc3f03bd8 100644
--- a/Formula/m/micromamba.rb
+++ b/Formula/m/micromamba.rb
@@ -1,10 +1,9 @@
 class Micromamba < Formula
   desc "Fast Cross-Platform Package Manager"
   homepage "https://github.com/mamba-org/mamba"
-  url "https://github.com/mamba-org/mamba/archive/refs/tags/2.5.0.tar.gz"
-  sha256 "2d8761e423275b2e2b46352c99bdedc062ca22b98871ffa82e044d2be74b350f"
+  url "https://github.com/mamba-org/mamba/archive/refs/tags/2.6.0.tar.gz"
+  sha256 "d3a9eeb7e84c6c107ad40f1e665e38c5af97dac822bd766109988ffbedbcc4a3"
   license "BSD-3-Clause"
-  revision 4
   head "https://github.com/mamba-org/mamba.git", branch: "main"
 
   livecheck do
@@ -15,12 +14,12 @@ class Micromamba < Formula
   end
 
   bottle do
-    sha256 cellar: :any,                 arm64_tahoe:   "82c2d3f7c9d2228eeae2f9dbec041258c057fcec87a786cf0de47db322b8bae1"
-    sha256 cellar: :any,                 arm64_sequoia: "ce6dd3de723d5a90cfdd2c02ccf3b9359c19923630dff1f132decda1d5ae0b38"
-    sha256 cellar: :any,                 arm64_sonoma:  "38f23c49c675d09a42100fc8dbfe5cfd2cf4223c5b3a49128b0ef71eed819a32"
-    sha256 cellar: :any,                 sonoma:        "c2318ce5ea9d5b6fd47d96b4ada82314d72d017ff867b4e4f1159bb39cca539e"
-    sha256 cellar: :any_skip_relocation, arm64_linux:   "aaf380dc9975012d53b5bc32a101723fb2fa80729f4c43a3484338259724524a"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "332084d85a8f0b08e3b3ffb3a28251fda2dbafc7d6ca9d3b45ee63d425b26dff"
+    sha256 cellar: :any,                 arm64_tahoe:   "aed2f01cea5b8bd8aaaaee509819af323f521adcbf8341b3421fd29b42006a9d"
+    sha256 cellar: :any,                 arm64_sequoia: "a4800a5bcaffc226807a3c2aea0eef308a587dbfca717fd50fd90ed4265d98bd"
+    sha256 cellar: :any,                 arm64_sonoma:  "3f95014e5c0b4c45f30e81fcc86b172031bffcd12f18ac2c56f27202d50a0d0a"
+    sha256 cellar: :any,                 sonoma:        "4a6100fde7e1c21030e914bea61297f6301ea4c8f1412954c6c2de68b3e69fd2"
+    sha256 cellar: :any_skip_relocation, arm64_linux:   "7a10cf712d4d919ed494bb04bb43179b226c6099866824acab716228b0a3ce85"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "5b5e5544fbf781b325bad0342f55df80d38348f6f1c3b5a32274d282e21c9676"
   end
 
   depends_on "cli11" => :build
@@ -34,6 +33,7 @@ class Micromamba < Formula
   depends_on "libarchive"
   depends_on "libsolv"
   depends_on "lz4"
+  depends_on "msgpack"
   depends_on "openssl@3"
   depends_on "reproc"
   depends_on "simdjson"