diff --git a/test/__snapshots__/implementation-option.test.js.snap b/test/__snapshots__/implementation-option.test.js.snap
index a7b29a27..97fc08b4 100644
--- a/test/__snapshots__/implementation-option.test.js.snap
+++ b/test/__snapshots__/implementation-option.test.js.snap
@@ -40,6 +40,10 @@ exports[`implementation option not specify with modern API: errors 1`] = `[]`;
 
 exports[`implementation option not specify with modern API: warnings 1`] = `[]`;
 
+exports[`implementation option not specify with modern-compiler API: errors 1`] = `[]`;
+
+exports[`implementation option not specify with modern-compiler API: warnings 1`] = `[]`;
+
 exports[`implementation option not specify: errors 1`] = `[]`;
 
 exports[`implementation option not specify: warnings 1`] = `[]`;
@@ -53,6 +57,14 @@ Some error",
 
 exports[`implementation option should not swallow an error when trying to load a sass implementation: warnings 1`] = `[]`;
 
+exports[`implementation option should support switching the implementation within the same process when using the modern-compiler API: errors 1`] = `[]`;
+
+exports[`implementation option should support switching the implementation within the same process when using the modern-compiler API: errors 2`] = `[]`;
+
+exports[`implementation option should support switching the implementation within the same process when using the modern-compiler API: warnings 1`] = `[]`;
+
+exports[`implementation option should support switching the implementation within the same process when using the modern-compiler API: warnings 2`] = `[]`;
+
 exports[`implementation option should throw an error on an unknown sass implementation: errors 1`] = `
 [
   "ModuleBuildError: Module build failed (from ../src/cjs.js):
diff --git a/test/helpers/getImplementationByName.js b/test/helpers/getImplementationByName.js
index 50a60583..01926a24 100644
--- a/test/helpers/getImplementationByName.js
+++ b/test/helpers/getImplementationByName.js
@@ -5,6 +5,9 @@ function getImplementationByName(implementationName) {
   } else if (implementationName === "dart-sass") {
     // eslint-disable-next-line global-require
     return require("sass");
+  } else if (implementationName === "sass-embedded") {
+    // eslint-disable-next-line global-require
+    return require("sass-embedded");
   } else if (implementationName === "sass_string") {
     return require.resolve("sass");
   }
diff --git a/test/implementation-option.test.js b/test/implementation-option.test.js
index f6ab17a3..4c3734fb 100644
--- a/test/implementation-option.test.js
+++ b/test/implementation-option.test.js
@@ -31,17 +31,34 @@ const spyOnCompiler = (implementation) => {
       return compiler;
     });
 
-  const mockRestore = () => initSpy.mockRestore();
-
   const spies = {
     initSpy,
-    mockRestore,
+    mockClear() {
+      if (this.compileStringSpy) {
+        this.compileStringSpy.mockClear();
+      }
+    },
+    mockRestore() {
+      initSpy.mockRestore();
+      delete this.compileStringSpy;
+    },
   };
 
   return spies;
 };
 
 describe("implementation option", () => {
+  const nodeSassSpy = jest.spyOn(nodeSass, "render");
+  const dartSassSpy = jest.spyOn(dartSass, "render");
+  const dartSassSpyModernAPI = jest.spyOn(dartSass, "compileStringAsync");
+  const dartSassCompilerSpies = spyOnCompiler(dartSass);
+  const sassEmbeddedSpy = jest.spyOn(sassEmbedded, "render");
+  const sassEmbeddedSpyModernAPI = jest.spyOn(
+    sassEmbedded,
+    "compileStringAsync",
+  );
+  const sassEmbeddedCompilerSpies = spyOnCompiler(sassEmbedded);
+
   implementations.forEach((item) => {
     let implementationName;
     let implementation;
@@ -56,17 +73,6 @@ describe("implementation option", () => {
     }
 
     it(`'${implementationName}', '${api}' API`, async () => {
-      const nodeSassSpy = jest.spyOn(nodeSass, "render");
-      const dartSassSpy = jest.spyOn(dartSass, "render");
-      const dartSassSpyModernAPI = jest.spyOn(dartSass, "compileStringAsync");
-      const dartSassCompilerSpies = spyOnCompiler(dartSass);
-      const sassEmbeddedSpy = jest.spyOn(sassEmbedded, "render");
-      const sassEmbeddedSpyModernAPI = jest.spyOn(
-        sassEmbedded,
-        "compileStringAsync",
-      );
-      const sassEmbeddedCompilerSpies = spyOnCompiler(sassEmbedded);
-
       const testId = getTestId("language", "scss");
       const options = { api, implementation };
       const compiler = getCompiler(testId, { loader: { options } });
@@ -83,10 +89,8 @@ describe("implementation option", () => {
         expect(nodeSassSpy).toHaveBeenCalledTimes(1);
         expect(dartSassSpy).toHaveBeenCalledTimes(0);
         expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
-        expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
         expect(sassEmbeddedSpy).toHaveBeenCalledTimes(0);
         expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(0);
-        expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
       } else if (
         implementationName === "dart-sass" ||
         implementationName === "dart-sass_string"
@@ -95,47 +99,37 @@ describe("implementation option", () => {
           expect(nodeSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(1);
-          expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
         } else if (api === "modern-compiler") {
           expect(nodeSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(1);
           expect(dartSassCompilerSpies.compileStringSpy).toHaveBeenCalledTimes(
             1,
           );
           expect(sassEmbeddedSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
         } else if (api === "legacy") {
           expect(nodeSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpy).toHaveBeenCalledTimes(1);
           expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
         }
       } else if (implementationName === "sass-embedded") {
         if (api === "modern") {
           expect(nodeSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(1);
-          expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
         } else if (api === "modern-compiler") {
           expect(nodeSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(1);
           expect(
             sassEmbeddedCompilerSpies.compileStringSpy,
           ).toHaveBeenCalledTimes(1);
@@ -143,20 +137,18 @@ describe("implementation option", () => {
           expect(nodeSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpy).toHaveBeenCalledTimes(0);
           expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
           expect(sassEmbeddedSpy).toHaveBeenCalledTimes(1);
           expect(sassEmbeddedSpyModernAPI).toHaveBeenCalledTimes(0);
-          expect(sassEmbeddedCompilerSpies.initSpy).toHaveBeenCalledTimes(0);
         }
       }
 
-      nodeSassSpy.mockRestore();
-      dartSassSpy.mockRestore();
-      dartSassSpyModernAPI.mockRestore();
-      dartSassCompilerSpies.mockRestore();
-      sassEmbeddedSpy.mockRestore();
-      sassEmbeddedSpyModernAPI.mockRestore();
-      sassEmbeddedCompilerSpies.mockRestore();
+      nodeSassSpy.mockClear();
+      dartSassSpy.mockClear();
+      dartSassSpyModernAPI.mockClear();
+      dartSassCompilerSpies.mockClear();
+      sassEmbeddedSpy.mockClear();
+      sassEmbeddedSpyModernAPI.mockClear();
+      sassEmbeddedCompilerSpies.mockClear();
     });
   });
 
@@ -173,9 +165,6 @@ describe("implementation option", () => {
   });
 
   it("not specify", async () => {
-    const nodeSassSpy = jest.spyOn(nodeSass, "render");
-    const dartSassSpy = jest.spyOn(dartSass, "render");
-
     const testId = getTestId("language", "scss");
     const options = {};
     const compiler = getCompiler(testId, { loader: { options } });
@@ -191,14 +180,11 @@ describe("implementation option", () => {
     expect(nodeSassSpy).toHaveBeenCalledTimes(0);
     expect(dartSassSpy).toHaveBeenCalledTimes(1);
 
-    nodeSassSpy.mockRestore();
-    dartSassSpy.mockRestore();
+    nodeSassSpy.mockClear();
+    dartSassSpy.mockClear();
   });
 
   it("not specify with legacy API", async () => {
-    const nodeSassSpy = jest.spyOn(nodeSass, "render");
-    const dartSassSpy = jest.spyOn(dartSass, "render");
-
     const testId = getTestId("language", "scss");
     const options = {
       api: "legacy",
@@ -216,14 +202,11 @@ describe("implementation option", () => {
     expect(nodeSassSpy).toHaveBeenCalledTimes(0);
     expect(dartSassSpy).toHaveBeenCalledTimes(1);
 
-    nodeSassSpy.mockRestore();
-    dartSassSpy.mockRestore();
+    nodeSassSpy.mockClear();
+    dartSassSpy.mockClear();
   });
 
   it("not specify with modern API", async () => {
-    const nodeSassSpy = jest.spyOn(nodeSass, "render");
-    const dartSassSpy = jest.spyOn(dartSass, "compileStringAsync");
-
     const testId = getTestId("language", "scss");
     const options = {
       api: "modern",
@@ -239,17 +222,13 @@ describe("implementation option", () => {
     expect(getErrors(stats)).toMatchSnapshot("errors");
 
     expect(nodeSassSpy).toHaveBeenCalledTimes(0);
-    expect(dartSassSpy).toHaveBeenCalledTimes(1);
+    expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(1);
 
-    nodeSassSpy.mockRestore();
-    dartSassSpy.mockRestore();
+    nodeSassSpy.mockClear();
+    dartSassSpyModernAPI.mockClear();
   });
 
-  it.skip("not specify with modern-compiler API", async () => {
-    const nodeSassSpy = jest.spyOn(nodeSass, "render");
-    const dartSassSpy = jest.spyOn(dartSass, "compileStringAsync");
-    const dartSassCompilerSpies = spyOnCompiler(dartSass);
-
+  it("not specify with modern-compiler API", async () => {
     const testId = getTestId("language", "scss");
     const options = {
       api: "modern-compiler",
@@ -265,17 +244,44 @@ describe("implementation option", () => {
     expect(getErrors(stats)).toMatchSnapshot("errors");
 
     expect(nodeSassSpy).toHaveBeenCalledTimes(0);
-    expect(dartSassSpy).toHaveBeenCalledTimes(0);
-    // TODO: this isn't being called because the compiler is already initialized
-    //  from a previous test.
-    expect(dartSassCompilerSpies.initSpy).toHaveBeenCalledTimes(1);
+    expect(dartSassSpyModernAPI).toHaveBeenCalledTimes(0);
     expect(dartSassCompilerSpies.compileStringSpy).toHaveBeenCalledTimes(1);
 
-    nodeSassSpy.mockRestore();
-    dartSassSpy.mockRestore();
-    dartSassCompilerSpies.mockRestore();
+    nodeSassSpy.mockClear();
+    dartSassSpyModernAPI.mockClear();
+    dartSassCompilerSpies.mockClear();
   });
 
+  it.each(["dart-sass", "sass-embedded"])(
+    "should support switching the implementation within the same process when using the modern-compiler API",
+    async (implementationName) => {
+      const testId = getTestId("language", "scss");
+      const options = {
+        api: "modern-compiler",
+        implementation: getImplementationByName(implementationName),
+      };
+      const compiler = getCompiler(testId, { loader: { options } });
+      const stats = await compile(compiler);
+      const { css, sourceMap } = getCodeFromBundle(stats, compiler);
+
+      expect(css).toBeDefined();
+      expect(sourceMap).toBeUndefined();
+
+      expect(getWarnings(stats)).toMatchSnapshot("warnings");
+      expect(getErrors(stats)).toMatchSnapshot("errors");
+
+      expect(dartSassCompilerSpies.compileStringSpy).toHaveBeenCalledTimes(
+        implementationName === "dart-sass" ? 1 : 0,
+      );
+      expect(sassEmbeddedCompilerSpies.compileStringSpy).toHaveBeenCalledTimes(
+        implementationName === "sass-embedded" ? 1 : 0,
+      );
+
+      dartSassCompilerSpies.mockClear();
+      sassEmbeddedCompilerSpies.mockClear();
+    },
+  );
+
   it("should throw an error on an unknown sass implementation", async () => {
     const testId = getTestId("language", "scss");
     const options = {