diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0d2030e..68c9c7e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,15 +8,36 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  MINIMUM_NOIR_VERSION: v0.37.0
 
 jobs:
+  noir-version-list:
+    name: Query supported Noir versions
+    runs-on: ubuntu-latest
+    outputs:
+      noir_versions: ${{ steps.get_versions.outputs.versions }}
+
+    steps:
+      - name: Checkout sources
+        id: get_versions
+        run: |         
+          # gh returns the Noir releases in reverse chronological order so we keep all releases published after the minimum supported version.
+          VERSIONS=$(gh release list -R noir-lang/noir --exclude-pre-releases --json tagName -q 'map(.tagName) | index(env.MINIMUM_NOIR_VERSION) as $index | if $index then .[0:$index+1] else [env.MINIMUM_NOIR_VERSION] end')
+          echo "versions=$VERSIONS"
+          echo "versions=$VERSIONS" >> $GITHUB_OUTPUT
+        env:
+          GH_TOKEN: ${{ github.token }}
+
   test:
+    needs: [noir-version-list]
     name: Test on Nargo ${{matrix.toolchain}}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        toolchain: [nightly, 0.37.0]
+        toolchain: ${{ fromJson( needs.noir-version-list.outputs.noir_versions )}}
+        include:
+          - toolchain: nightly
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
@@ -38,8 +59,7 @@ jobs:
       - name: Install Nargo
         uses: noir-lang/noirup@v0.1.3
         with:
-          toolchain: 0.37.0
-
+          toolchain: ${{ env.MINIMUM_NOIR_VERSION }}
       - name: Run formatter
         run: nargo fmt --check
 
@@ -64,4 +84,4 @@ jobs:
           fi
         env:
           # We treat any cancelled, skipped or failing jobs as a failure for the workflow as a whole.
-          FAIL: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') || contains(needs.*.result, 'skipped') }}
+          FAIL: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') || contains(needs.*.result, 'skipped') }}
\ No newline at end of file
diff --git a/Nargo.toml b/Nargo.toml
index 628b216..91e7ae5 100644
--- a/Nargo.toml
+++ b/Nargo.toml
@@ -5,4 +5,4 @@ authors = [""]
 compiler_version = ">=0.37.0"
 
 [dependencies]
-noir_sort = {tag = "v0.2.0", git = "https://github.com/noir-lang/noir_sort"}
\ No newline at end of file
+noir_sort = {tag = "v0.2.1", git = "https://github.com/noir-lang/noir_sort"}
\ No newline at end of file
diff --git a/src/get_literal.nr b/src/get_literal.nr
index 6e2d0d3..f3693ab 100644
--- a/src/get_literal.nr
+++ b/src/get_literal.nr
@@ -13,7 +13,7 @@ global LITERAL_OFFSET_SHIFT: [Field; 6] =
  * @brief a JSON "literal" type has 3 states: "true", "false", "null".
  *        As such we can't directly convert to a bool and cover all possible cases
  **/
-struct JSONLiteral {
+pub struct JSONLiteral {
     value: Field,
 }
 
diff --git a/src/getters.nr b/src/getters.nr
index a7144bd..faa1661 100644
--- a/src/getters.nr
+++ b/src/getters.nr
@@ -12,7 +12,7 @@ use crate::transcript_entry::TranscriptEntry;
 /**
  * @brief records data used to reason about whether a key exists in a json blob
  **/
-struct KeySearchResult {
+pub struct KeySearchResult {
     found: bool, // does the key exist?
     target_lt_smallest_entry: bool, // is the target keyhash smaller than the smallest keyhash in self.key_hashes?
     target_gt_largest_entry: bool, // is the target keyhash larger than the largest keyhash in self.key_hashes?
diff --git a/src/json.nr b/src/json.nr
index b07c96b..d412ede 100644
--- a/src/json.nr
+++ b/src/json.nr
@@ -20,7 +20,7 @@ use crate::transcript_entry::{
 /**
  * @brief records a value in a json blob
  **/
-struct JSONValue<let MaxLength: u32> {
+pub struct JSONValue<let MaxLength: u32> {
     value: BoundedVec<u8, MaxLength>, // raw bytes that constitute the json value entry
     value_type: Field, // either STRING_TOKEN, NUMERIC_TOKEN or LITERAL_TOKEN
 }
@@ -42,7 +42,7 @@ impl<let MaxLength: u32> JSONValue<MaxLength> {
  * @description The "root" of the JSON refers to the parent object or array (or a value if the json is just a single value e.g. text = "\"foo\": \"bar\"")
  * @note text that describes just a single JSON value is not yet fully supported. Only use this library for processing objects or arrays for now
  **/
-struct JSON<let NumBytes: u32, let NumPackedFields: u32, let MaxNumTokens: u32, let MaxNumValues: u32, let MaxKeyFields: u32> {
+pub struct JSON<let NumBytes: u32, let NumPackedFields: u32, let MaxNumTokens: u32, let MaxNumValues: u32, let MaxKeyFields: u32> {
     json: [u8; NumBytes], // the raw json bytes
     json_packed: [Field; NumPackedFields], // raw bytes, but packed into 31-byte Field elements
     raw_transcript: [Field; MaxNumTokens], // transcript of json tokens after basic processing