diff --git a/Project.toml b/Project.toml
index 99d35a6..d9e3618 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PkgAuthentication"
 uuid = "4722fa14-9d28-45f9-a1e2-a38605bd88f0"
 authors = ["Sebastian Pfitzner", "contributors"]
-version = "2.0.3"
+version = "2.1.0"
 
 [deps]
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
diff --git a/src/PkgAuthentication.jl b/src/PkgAuthentication.jl
index a5ff8bc..28850ae 100644
--- a/src/PkgAuthentication.jl
+++ b/src/PkgAuthentication.jl
@@ -6,6 +6,8 @@ import Pkg
 import Random
 import TOML
 
+include("helpers.jl")
+
 const pkg_server_env_var_name = "JULIA_PKG_SERVER"
 
 ## abstract state types
@@ -520,8 +522,8 @@ function open_browser(url::AbstractString)
                 @debug "error executing browser hook" exception=(err, catch_backtrace())
                 return false
             end
-        elseif Sys.iswindows()
-            run(`cmd /c "start $url"`; wait=false)
+        elseif Sys.iswindows() || detectwsl()
+            run(`cmd.exe /c "start $url"`; wait=false)
         elseif Sys.isapple()
             run(`open $url`; wait=false)
         elseif Sys.islinux() || Sys.isbsd()
diff --git a/src/helpers.jl b/src/helpers.jl
new file mode 100644
index 0000000..6a9eda9
--- /dev/null
+++ b/src/helpers.jl
@@ -0,0 +1,14 @@
+@static if isdefined(Sys, :detectwsl)
+    const detectwsl = Sys.detectwsl
+else
+    # Borrowed from Julia (MIT license)
+    # https://github.com/JuliaLang/julia/blob/726c816b9590d748345fb615b76b685c79eafd0d/base/sysinfo.jl#L549-L555
+    # https://github.com/JuliaLang/julia/pull/57069
+    function detectwsl()
+        # We use the same approach as canonical/snapd do to detect WSL
+        islinux() && (
+            isfile("/proc/sys/fs/binfmt_misc/WSLInterop")
+            || isdir("/run/WSL")
+        )
+    end
+end