diff --git a/GOVERSION b/GOVERSION
index ae7bbdf047..88863fd8e3 100644
--- a/GOVERSION
+++ b/GOVERSION
@@ -1 +1 @@
-1.21.10
+1.21.11
diff --git a/MOBILE/android/ensure b/MOBILE/android/ensure
index 3ce7351438..4b66b7c4b4 100755
--- a/MOBILE/android/ensure
+++ b/MOBILE/android/ensure
@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-__install_extra="build-tools;34.0.0 platforms;android-34"
+__install_extra="build-tools;34.0.0 platforms;android-35"
 
 __ndk_version=$(cat ./NDKVERSION)
 
diff --git a/NDKVERSION b/NDKVERSION
index d89b43bc4a..0209fe9b5d 100644
--- a/NDKVERSION
+++ b/NDKVERSION
@@ -1 +1 @@
-26.3.11579264
+27.0.12077973
diff --git a/go.mod b/go.mod
index 5e0b810c9b..16ac9971e1 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/ooni/probe-cli/v3
 
 go 1.21
 
-toolchain go1.21.10
+toolchain go1.21.11
 
 require (
 	filippo.io/age v1.1.1