diff --git a/birdnet-go-dev/CHANGELOG.md b/birdnet-go-dev/CHANGELOG.md
index b58e36ec85..f600227f14 100644
--- a/birdnet-go-dev/CHANGELOG.md
+++ b/birdnet-go-dev/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 20260901 (01-09-2026)
+- Synced with upstream birdnet-go (7 commits, incl. Go 1.27 upgrade); build image bumped to golang:1.27-trixie to match; resolved merge conflict in fork PR #6
 ## 20260829.2 (29-08-2026)
 - Minor bugs fixed
 ## 20260829.1 (29-08-2026)
diff --git a/birdnet-go-dev/Dockerfile b/birdnet-go-dev/Dockerfile
index a276daf58e..0f7c01e6d1 100644
--- a/birdnet-go-dev/Dockerfile
+++ b/birdnet-go-dev/Dockerfile
@@ -89,7 +89,7 @@ RUN apk add --no-cache curl && \
 # 1a Build environment (mirrors tphakala/birdnet-go Docker/Dockerfile)  #
 #########################################################################
 
-FROM --platform=$BUILDPLATFORM golang:1.26-trixie AS buildenv
+FROM --platform=$BUILDPLATFORM golang:1.27-trixie AS buildenv
 ARG BUILD_VERSION
 ENV BUILD_VERSION=${BUILD_VERSION:-unknown}
 
diff --git a/birdnet-go-dev/config.yaml b/birdnet-go-dev/config.yaml
index 1e6295d647..bea2981807 100644
--- a/birdnet-go-dev/config.yaml
+++ b/birdnet-go-dev/config.yaml
@@ -127,5 +127,5 @@ slug: birdnet-go-dev
 udev: true
 url: https://github.com/alexbelgium/hassio-addons
 usb: true
-version: "20260829.2"
+version: "20260901"
 video: true