diff --git a/.SRCINFO b/.SRCINFO
index bb62c76d462ec..1f9d8ae5f2899 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = icecat
 	pkgdesc = GNU version of the Firefox ESR browser
-	pkgver = 115.16.1
+	pkgver = 115.17.0
 	pkgrel = 1
 	url = https://git.savannah.gnu.org/cgit/gnuzilla.git
 	arch = x86_64
@@ -57,15 +57,15 @@ pkgbase = icecat
 	optdepends = networkmanager: Location detection via available WiFi networks
 	optdepends = speech-dispatcher: Text-to-Speech
 	optdepends = xdg-desktop-portal: Screensharing with Wayland
-	noextract = firefox-115.16.1esr.source.tar.xz
+	noextract = firefox-115.17.0esr.source.tar.xz
 	options = !debug
 	options = !emptydirs
 	options = !lto
 	options = !makeflags
 	options = !strip
-	source = https://git.savannah.gnu.org/cgit/gnuzilla.git/snapshot/gnuzilla-2a76759a6220e9eeb9037671140b5574d6d1981e.tar.gz
-	source = https://archive.mozilla.org/pub/firefox/releases/115.16.1esr/source/firefox-115.16.1esr.source.tar.xz
-	source = https://archive.mozilla.org/pub/firefox/releases/115.16.1esr/source/firefox-115.16.1esr.source.tar.xz.asc
+	source = https://git.savannah.gnu.org/cgit/gnuzilla.git/snapshot/gnuzilla-a0b1a124e8e063a35389e1f20653047f37ca069b.tar.gz
+	source = https://archive.mozilla.org/pub/firefox/releases/115.17.0esr/source/firefox-115.17.0esr.source.tar.xz
+	source = https://archive.mozilla.org/pub/firefox/releases/115.17.0esr/source/firefox-115.17.0esr.source.tar.xz.asc
 	source = 18d19413472f-24a6ea8.patch::https://aur.archlinux.org/cgit/aur.git/plain/18d19413472f.patch?h=firefox-esr&id=24a6ea8
 	source = b1cc62489fae-24a6ea8.patch::https://aur.archlinux.org/cgit/aur.git/plain/b1cc62489fae.patch?h=firefox-esr&id=24a6ea8
 	source = patch-python3.12-bug1831512-3d03cbf.patch::https://aur.archlinux.org/cgit/aur.git/plain/patch-python3.12-bug1831512.patch?h=firedragon&id=3d03cbfb37298c494be59bb34e3da365f10c00a3
@@ -74,8 +74,8 @@ pkgbase = icecat
 	source = patch-python3.12-bug1874280-3d03cbf.patch::https://aur.archlinux.org/cgit/aur.git/plain/patch-python3.12-bug1874280.patch?h=firedragon&id=3d03cbfb37298c494be59bb34e3da365f10c00a3
 	source = 0004-Bug-1912663-d2127a9.patch::https://gitlab.archlinux.org/archlinux/packaging/packages/firefox/-/raw/d2127a9424507a38cff13cce49403214a8190bed/0004-Bug-1912663-Fix-some-build-issues-with-cbindgen-0.27.patch
 	validpgpkeys = 14F26682D0916CDD81E37B6D61B7B526D98F0353
-	sha256sums = 5a475b6214fe8515e7b55e09d796ae653fdce09ea57441b1f5dfc528157a6d59
-	sha256sums = c3bb5a210738ca0f8cd26aa53fc4a07560db079c06cd0421cf35af4035029367
+	sha256sums = cef78116adb0a14e45e57cd7e8a064cac50f1065213d615eabb81c54ab3b5096
+	sha256sums = 80f184a102a743ee75401e86dd86af0be5f1e5ebf07c81119d9ca77422d716c3
 	sha256sums = SKIP
 	sha256sums = 3cc55401ed5e027f1b9e667b0b52296af11f3c5c62b4a80b7e55cda0e117ed18
 	sha256sums = f66a944fa8804c16b1f7bd9b42b18bfc2552a891adc148085f4b91685e8db117
diff --git a/PKGBUILD b/PKGBUILD
index 6c0d548cb251b..dd59b436de327 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -24,10 +24,10 @@
 : ${_lang:=}
 
 ## update
-_icver="115.16.1"
-_commit="2a76759a6220e9eeb9037671140b5574d6d1981e"
-_icsum="5a475b6214fe8515e7b55e09d796ae653fdce09ea57441b1f5dfc528157a6d59"
-_ffsum="c3bb5a210738ca0f8cd26aa53fc4a07560db079c06cd0421cf35af4035029367"
+_icver="115.17.0"
+_commit="a0b1a124e8e063a35389e1f20653047f37ca069b"
+_icsum="cef78116adb0a14e45e57cd7e8a064cac50f1065213d615eabb81c54ab3b5096"
+_ffsum="80f184a102a743ee75401e86dd86af0be5f1e5ebf07c81119d9ca77422d716c3"
 
 if [ -n "$_srcinfo" ]; then
   : ${_lang:=en-US}
@@ -430,9 +430,9 @@ END
 build() (
   cd "$_pkgsrc"
 
-  export PATH="/usr/lib/llvm${_ver_clang:-}/bin:$PATH"
-  export LD_LIBRARY_PATH=/usr/lib/llvm${_ver_clang:-}/lib
-  export RUSTUP_TOOLCHAIN
+  export PATH LD_LIBRARY_PATH RUSTUP_TOOLCHAIN
+  PATH="/usr/lib/llvm${_ver_clang:-}/bin:$PATH"
+  LD_LIBRARY_PATH="/usr/lib/llvm${_ver_clang:-}/lib"
 
   export XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-$srcdir/xdg-runtime}"
   [ ! -d "$XDG_RUNTIME_DIR" ] && install -dm700 "${XDG_RUNTIME_DIR:?}"