diff --git a/.github/workflows/samples-julia.yaml b/.github/workflows/samples-julia.yaml
index 4463a2f45c65..72c402781ee9 100644
--- a/.github/workflows/samples-julia.yaml
+++ b/.github/workflows/samples-julia.yaml
@@ -24,19 +24,26 @@ jobs:
         shell: bash
         working-directory: 'samples'
         run: |
-          currdir=`pwd`
+          currdir=$(pwd)
           # The julia-client/julia-server generators target the OpenAPI.jl 0.2.x series,
           #   maintained on the release-0.2 branch; OpenAPI.jl main hosts the 1.x rewrite
           #   with a different API. Testing against release-0.2 covers the latest 0.2.x fixes.
+          # Clone the exact branch we want instead of resolving from the registry, which can
+          # pick up stale or mismatched package metadata.
+          rm -rf ~/.julia/dev/OpenAPI
+          git clone --branch release-0.2 --depth 1 https://github.com/JuliaComputing/OpenAPI.jl.git ~/.julia/dev/OpenAPI
+          
           # Using develop mode to install package so that it is easier to modify the package test files
-          julia -e "using Pkg; Pkg.develop(\"OpenAPI\");"
+          julia -e 'using Pkg; Pkg.develop(path=joinpath(homedir(), ".julia", "dev", "OpenAPI")); Pkg.instantiate()'
+
           cd ~/.julia/dev/OpenAPI
-          git checkout release-0.2
-          cd $currdir
+          cd "$currdir"
+
           rm -rf ~/.julia/dev/OpenAPI/test/client/openapigenerator_petstore_v3/petstore
           rm -rf ~/.julia/dev/OpenAPI/test/server/openapigenerator_petstore_v3/petstore
           cp -r client/petstore/julia ~/.julia/dev/OpenAPI/test/client/openapigenerator_petstore_v3/petstore
           cp -r server/petstore/julia ~/.julia/dev/OpenAPI/test/server/openapigenerator_petstore_v3/petstore
+
           # setting this env runs only the tests relevant to the openapi-generator repo
           export OPENAPI_GENERATOR=true
-          julia -e "using Pkg; Pkg.test(\"OpenAPI\");"
+          julia -e 'using Pkg; Pkg.test("OpenAPI")'
diff --git a/modules/openapi-generator/src/test/resources/3_0/julia/petstore.yaml b/modules/openapi-generator/src/test/resources/3_0/julia/petstore.yaml
index 826074f7a374..8c61f35455c2 100644
--- a/modules/openapi-generator/src/test/resources/3_0/julia/petstore.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/julia/petstore.yaml
@@ -452,6 +452,7 @@ paths:
           required: true
           schema:
             type: string
+            format: password
       responses:
         '200':
           description: successful operation
@@ -687,6 +688,7 @@ components:
           type: string
         password:
           type: string
+          format: password
         phone:
           type: string
         userStatus:
diff --git a/samples/client/petstore/julia/src/models/model_User.jl b/samples/client/petstore/julia/src/models/model_User.jl
index 8e95c9ac67b9..e3ef1b158495 100644
--- a/samples/client/petstore/julia/src/models/model_User.jl
+++ b/samples/client/petstore/julia/src/models/model_User.jl
@@ -70,6 +70,9 @@ function OpenAPI.validate_property(::Type{ User }, name::Symbol, val)
 
 
 
+    if name === Symbol("password")
+        OpenAPI.validate_param(name, "User", :format, val, "password")
+    end
 
 
     if name === Symbol("userStatus")
diff --git a/samples/server/petstore/julia/src/models/model_User.jl b/samples/server/petstore/julia/src/models/model_User.jl
index 8e95c9ac67b9..e3ef1b158495 100644
--- a/samples/server/petstore/julia/src/models/model_User.jl
+++ b/samples/server/petstore/julia/src/models/model_User.jl
@@ -70,6 +70,9 @@ function OpenAPI.validate_property(::Type{ User }, name::Symbol, val)
 
 
 
+    if name === Symbol("password")
+        OpenAPI.validate_param(name, "User", :format, val, "password")
+    end
 
 
     if name === Symbol("userStatus")