From 4cb532c1c17ac44e6e65ff79a9a840791ef9fe79 Mon Sep 17 00:00:00 2001
From: Nicolas Chamo <nicolas@chamo.com.ar>
Date: Thu, 19 Mar 2026 17:42:26 -0300
Subject: [PATCH 1/2] fix(aztec-up): strip leading v prefix from version
 strings

---
 aztec-up/bin/0.0.1/aztec-install | 2 +-
 aztec-up/bin/0.0.1/aztec-up      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/aztec-up/bin/0.0.1/aztec-install b/aztec-up/bin/0.0.1/aztec-install
index 155a39323b06..2f62300e3358 100755
--- a/aztec-up/bin/0.0.1/aztec-install
+++ b/aztec-up/bin/0.0.1/aztec-install
@@ -32,7 +32,7 @@ INSTALL_URI="${INSTALL_URI:-https://install.aztec-labs.com}"
 
 # Resolve alias (like "nightly") to actual version number.
 function resolve_version {
-  local version="$1"
+  local version="${1#v}"
   local semver_regex='^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.-]+)?(\+[a-zA-Z0-9.]+)?$'
   if [[ "$version" =~ $semver_regex ]]; then
     echo "$version"
diff --git a/aztec-up/bin/0.0.1/aztec-up b/aztec-up/bin/0.0.1/aztec-up
index 47885749a996..2318b843b5a0 100755
--- a/aztec-up/bin/0.0.1/aztec-up
+++ b/aztec-up/bin/0.0.1/aztec-up
@@ -102,7 +102,7 @@ function is_semver {
 
 # Resolve alias (like "nightly") to actual version number
 function resolve_version {
-  local version="$1"
+  local version="${1#v}"
   if is_semver "$version"; then
     echo "$version"
   else

From 80d4816c703c6f8681289400566973075af6b668 Mon Sep 17 00:00:00 2001
From: Nicolas Chamo <nicolas@chamo.com.ar>
Date: Fri, 20 Mar 2026 12:18:53 -0300
Subject: [PATCH 2/2] fix(aztec-up): only strip v prefix from semver inputs,
 not aliases

---
 aztec-up/bin/0.0.1/aztec-install | 16 ++++++++++++----
 aztec-up/bin/0.0.1/aztec-up      |  8 +++++---
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/aztec-up/bin/0.0.1/aztec-install b/aztec-up/bin/0.0.1/aztec-install
index 2f62300e3358..8cd38919de37 100755
--- a/aztec-up/bin/0.0.1/aztec-install
+++ b/aztec-up/bin/0.0.1/aztec-install
@@ -30,12 +30,20 @@ VERSION=${VERSION:-0.0.1}
 # Install URI (root, not version-specific)
 INSTALL_URI="${INSTALL_URI:-https://install.aztec-labs.com}"
 
+# Check if version string is valid semver
+function is_semver {
+  local version="$1"
+  local semver_regex='^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.-]+)?(\+[a-zA-Z0-9.]+)?$'
+  [[ "$version" =~ $semver_regex ]]
+}
+
 # Resolve alias (like "nightly") to actual version number.
 function resolve_version {
-  local version="${1#v}"
-  local semver_regex='^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.-]+)?(\+[a-zA-Z0-9.]+)?$'
-  if [[ "$version" =~ $semver_regex ]]; then
-    echo "$version"
+  local version="$1"
+  # Strip leading v from semver-like inputs (v0.85.0 -> 0.85.0), but not aliases (v4-nightly)
+  local stripped="${version#v}"
+  if is_semver "$stripped"; then
+    echo "$stripped"
   else
     local resolved
     if ! resolved=$(curl -fsSL "$INSTALL_URI/aliases/$version" 2>/dev/null); then
diff --git a/aztec-up/bin/0.0.1/aztec-up b/aztec-up/bin/0.0.1/aztec-up
index 2318b843b5a0..7fb4b5f25eab 100755
--- a/aztec-up/bin/0.0.1/aztec-up
+++ b/aztec-up/bin/0.0.1/aztec-up
@@ -102,9 +102,11 @@ function is_semver {
 
 # Resolve alias (like "nightly") to actual version number
 function resolve_version {
-  local version="${1#v}"
-  if is_semver "$version"; then
-    echo "$version"
+  local version="$1"
+  # Strip leading v from semver-like inputs (v0.85.0 -> 0.85.0), but not aliases (v4-nightly)
+  local stripped="${version#v}"
+  if is_semver "$stripped"; then
+    echo "$stripped"
   else
     # Fetch alias file to get actual version
     local resolved