diff --git a/backends/instructions_appendix/all_instructions.golden.adoc b/backends/instructions_appendix/all_instructions.golden.adoc
index 6401cafa5..060bf7acf 100644
--- a/backends/instructions_appendix/all_instructions.golden.adoc
+++ b/backends/instructions_appendix/all_instructions.golden.adoc
@@ -20490,7 +20490,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -20635,7 +20635,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -20712,7 +20712,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -21056,7 +21056,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -22794,7 +22794,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -23221,7 +23221,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -23678,7 +23678,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
@@ -25817,7 +25817,7 @@ Included in::
 |===
 | Extension | Version
 
-| *Zalasr* | ~> 0.3.5
+| *Zalasr* | ~> 1.0.0
 
 |===
 
diff --git a/spec/std/isa/ext/Zalasr.yaml b/spec/std/isa/ext/Zalasr.yaml
index 72b94a2d3..0de49aa0a 100644
--- a/spec/std/isa/ext/Zalasr.yaml
+++ b/spec/std/isa/ext/Zalasr.yaml
@@ -11,6 +11,6 @@ description: |
   load-acquire and store-release instructions.
 type: unprivileged
 versions:
-  - version: "0.3.5"
-    state: development
-    ratification_date: null
+  - version: "1.0.0"
+    state: ratified
+    ratification_date: 2025-10