diff --git a/.gitattributes b/.gitattributes
index 1631641..9ec9772 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -17,3 +17,8 @@
 # Use `binary` to make sure certain files are never auto-detected as text.
 #
 #*.png binary
+
+spdlog-tests/spdlog-tests/tests_src symlink=dir
+spdlog-bench/spdlog-bench/bench_src symlink=dir
+spdlog/spdlog/include symlink=dir
+spdlog/spdlog/src symlink=dir
diff --git a/repositories.manifest b/repositories.manifest
index ad51e7d..95c2268 100644
--- a/repositories.manifest
+++ b/repositories.manifest
@@ -3,5 +3,5 @@ summary: spdlog project repository
 
 :
 role: prerequisite
-location: https://pkg.cppget.org/1/testing
+location: https://pkg.cppget.org/1/stable
 trust: 70:64:FE:E4:E0:F3:60:F1:B4:51:E1:FA:12:5C:E0:B3:DB:DF:96:33:39:B9:2E:E5:C2:68:63:4C:A6:47:39:43
diff --git a/spdlog-bench/manifest b/spdlog-bench/manifest
index 6923794..0fc143a 100644
--- a/spdlog-bench/manifest
+++ b/spdlog-bench/manifest
@@ -1,6 +1,6 @@
 : 1
 name: spdlog-bench
-version: 1.10.0+3
+version: 1.11.0
 project: spdlog
 summary: Benchmarks package for spdlog
 topics: logging, C++
diff --git a/spdlog-bench/spdlog-bench/buildfile b/spdlog-bench/spdlog-bench/buildfile
index 4799624..218d318 100644
--- a/spdlog-bench/spdlog-bench/buildfile
+++ b/spdlog-bench/spdlog-bench/buildfile
@@ -2,8 +2,8 @@ import libs = spdlog%lib{spdlog}
 import libs += google-benchmark%lib{benchmark}
 
 ./: exe{async-bench}: bench_src/cxx{async_bench} bench_src/hxx{*} $libs
-./: exe{bench}: bench_src/cxx{bench} bench_src/hxx{*} $libs
-./: exe{formatter-bench}: bench_src/cxx{formatter-bench} bench_src/hxx{*} $libs
+# ./: exe{bench}: bench_src/cxx{bench} bench_src/hxx{*} $libs
+./: exe{formatter-bench}: bench_src/cxx{formatter-bench} bench_src/hxx{*} testscript{*} $libs
 ./: exe{latency}: bench_src/cxx{latency} bench_src/hxx{*} $libs
 
 cxx.poptions =+ "-I$out_root" "-I$src_root"
diff --git a/spdlog-bench/spdlog-bench/formatter_bench_script.testscript b/spdlog-bench/spdlog-bench/formatter_bench_script.testscript
new file mode 100644
index 0000000..cabc714
--- /dev/null
+++ b/spdlog-bench/spdlog-bench/formatter_bench_script.testscript
@@ -0,0 +1,4 @@
+
+# Pass the 'all' command line argument to the formatter bench
+# and expect output on both stdin and stdout
+$* 'all' 1>- 2>- 
diff --git a/spdlog-tests/manifest b/spdlog-tests/manifest
index 48e852c..bfad7da 100644
--- a/spdlog-tests/manifest
+++ b/spdlog-tests/manifest
@@ -1,6 +1,6 @@
 : 1
 name: spdlog-tests
-version: 1.10.0+3
+version: 1.11.0
 project: spdlog
 summary: Tests package for spdlog
 topics: logging, C++
diff --git a/spdlog/manifest b/spdlog/manifest
index d535c3a..721eb38 100644
--- a/spdlog/manifest
+++ b/spdlog/manifest
@@ -1,6 +1,6 @@
 : 1
 name: spdlog
-version: 1.10.0+3
+version: 1.11.0
 project: spdlog
 summary: Fast C++ logging library.
 license: MIT ; MIT License
@@ -20,6 +20,6 @@ requires: c++ >= 11
 depends: * build2 >= 0.13.0
 depends: * bpkg >= 0.13.0
 
-depends: fmt ^8.1.1
+depends: fmt ^9.1.0
 
 build-exclude: linux_debian_10-emcc_2.0.25   ; Compiler error, use at your own risks.
diff --git a/upstream b/upstream
index 76fb40d..ad0e89c 160000
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 76fb40d95455f249bd70824ecfcae7a8f0930fa3
+Subproject commit ad0e89cbfb4d0c1ce4d097e134eb7be67baebb36