diff --git a/DESCRIPTION b/DESCRIPTION
index 1bc462b..bf3de7a 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: macrtools
 Title: macOS Rtools package
-Version: 0.0.6.1
+Version: 0.0.6.2
 Authors@R: c(
     person(given = "James Joseph", 
            family = "Balamuta", 
@@ -18,7 +18,7 @@ Description: Sets up the macOS Rtools compiled code toolchain.
 License: AGPL (>= 3)
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.3.2
+RoxygenNote: 7.3.3
 OS_type: unix
 SystemRequirements: macOS
 Imports: 
diff --git a/R/assertions.R b/R/assertions.R
index b7f3f59..add76e0 100644
--- a/R/assertions.R
+++ b/R/assertions.R
@@ -41,7 +41,7 @@ assert_macos_supported <- function(call = caller_env()) {
         mac_version <- shell_mac_version()
         cli::cli_abort(c(
             "{.pkg macrtools}: Your macOS version {.val {mac_version}} is not supported.",
-            "{.pkg macrtools}: Supported versions: macOS High Sierra (10.13) through macOS Sequoia (15.x)."
+            "{.pkg macrtools}: Supported versions: macOS High Sierra (10.13) through macOS Tahoe (26.x)."
         ),
         call = call,
         advice = "Please upgrade your macOS to a supported version or use an alternative method to install development tools.")
diff --git a/R/system.R b/R/system.R
index afbdbe9..5b5513b 100644
--- a/R/system.R
+++ b/R/system.R
@@ -52,11 +52,31 @@ shell_mac_version <- function() {
 #' @keywords internal
 is_macos_r_supported <- function() {
     mac_version <- shell_mac_version()
-    version_between(mac_version, "10.13.0", "16.0.0")
+    version_between(mac_version, "10.13.0", "26.0")
+}
+
+#' Check if macOS Tahoe
+#'
+#' Tahoe is macOS 26.x, released in late 2025.
+#'
+#' @details
+#' macOS Tahoe (version 26.x) is the successor to macOS Sequoia (version 15.x).
+#'
+#' @return TRUE if system is macOS Tahoe, FALSE otherwise
+#' @keywords internal
+is_macos_tahoe <- function() {
+    mac_version <- shell_mac_version()
+    version_between(mac_version, "26.0", "27.0")
 }
 
 #' Check if macOS Sequoia
 #'
+#' Sequoia is macOS 15.x, released in late 2024.
+#'
+#' @details
+#' macOS Sequoia (version 15.x) is the successor to macOS
+#' Sonoma (version 14.x).
+#'
 #' @return TRUE if system is macOS Sequoia, FALSE otherwise
 #' @keywords internal
 is_macos_sequoia <- function() {
@@ -66,6 +86,12 @@ is_macos_sequoia <- function() {
 
 #' Check if macOS Sonoma
 #'
+#' Sonoma is macOS 14.x, released in late 2023.
+#'
+#' @details
+#' macOS Sonoma (version 14.x) is the successor to macOS
+#' Ventura (version 13.x).
+#'
 #' @return TRUE if system is macOS Sonoma, FALSE otherwise
 #' @keywords internal
 is_macos_sonoma <- function() {
diff --git a/R/zzz.R b/R/zzz.R
index 02bd6f8..212f9c2 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -18,7 +18,7 @@
         mac_version <- shell_mac_version()
         supported_msg <- base::paste0(
             "Supported macOS versions: ",
-            "High Sierra (10.13) through Sequoia (15.x)"
+            "High Sierra (10.13) through Tahoe (26.x)"
         )
 
         base::packageStartupMessage(cli::format_inline(
diff --git a/man/is_macos_sequoia.Rd b/man/is_macos_sequoia.Rd
index e5dc009..bd1354d 100644
--- a/man/is_macos_sequoia.Rd
+++ b/man/is_macos_sequoia.Rd
@@ -10,6 +10,10 @@ is_macos_sequoia()
 TRUE if system is macOS Sequoia, FALSE otherwise
 }
 \description{
-Check if macOS Sequoia
+Sequoia is macOS 15.x, released in late 2024.
+}
+\details{
+macOS Sequoia (version 15.x) is the successor to macOS
+Sonoma (version 14.x).
 }
 \keyword{internal}
diff --git a/man/is_macos_sonoma.Rd b/man/is_macos_sonoma.Rd
index 43ad91b..4051eb8 100644
--- a/man/is_macos_sonoma.Rd
+++ b/man/is_macos_sonoma.Rd
@@ -10,6 +10,10 @@ is_macos_sonoma()
 TRUE if system is macOS Sonoma, FALSE otherwise
 }
 \description{
-Check if macOS Sonoma
+Sonoma is macOS 14.x, released in late 2023.
+}
+\details{
+macOS Sonoma (version 14.x) is the successor to macOS
+Ventura (version 13.x).
 }
 \keyword{internal}
diff --git a/man/is_macos_tahoe.Rd b/man/is_macos_tahoe.Rd
new file mode 100644
index 0000000..3e0f36b
--- /dev/null
+++ b/man/is_macos_tahoe.Rd
@@ -0,0 +1,18 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/system.R
+\name{is_macos_tahoe}
+\alias{is_macos_tahoe}
+\title{Check if macOS Tahoe}
+\usage{
+is_macos_tahoe()
+}
+\value{
+TRUE if system is macOS Tahoe, FALSE otherwise
+}
+\description{
+Tahoe is macOS 26.x, released in late 2025.
+}
+\details{
+macOS Tahoe (version 26.x) is the successor to macOS Sequoia (version 15.x).
+}
+\keyword{internal}