diff --git a/contracts/Marketplace.sol b/contracts/Marketplace.sol
index 60d8aef..ac6938d 100644
--- a/contracts/Marketplace.sol
+++ b/contracts/Marketplace.sol
@@ -376,7 +376,7 @@ contract Marketplace is SlotReservations, Proofs, StateRetrieval, Endian {
     context.fundsToReturnToClient += _slotPayout(requestId, slot.filledAt);
 
     _removeFromMySlots(slot.host, slotId);
-    delete _reservations[slotId]; // We purge all the reservations for the slot
+    _reservations[slotId].clear(); // We purge all the reservations for the slot
     slot.state = SlotState.Repair;
     slot.filledAt = 0;
     slot.currentCollateral = 0;
diff --git a/package-lock.json b/package-lock.json
index 1b83a12..fd499a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "devDependencies": {
         "@nomiclabs/hardhat-ethers": "^2.2.1",
         "@nomiclabs/hardhat-waffle": "^2.0.3",
-        "@openzeppelin/contracts": "^5.2.0",
+        "@openzeppelin/contracts": "^5.3.0",
         "@stdlib/stats-binomial-test": "^0.0.7",
         "chai": "^4.3.7",
         "ethereum-waffle": "^3.4.4",
@@ -1764,10 +1764,11 @@
       }
     },
     "node_modules/@openzeppelin/contracts": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-5.2.0.tgz",
-      "integrity": "sha512-bxjNie5z89W1Ea0NZLZluFh8PrFNn9DH8DQlujEok2yjsOlraUPKID5p1Wk3qdNbf6XkQ1Os2RvfiHrrXLHWKA==",
-      "dev": true
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-5.3.0.tgz",
+      "integrity": "sha512-zj/KGoW7zxWUE8qOI++rUM18v+VeLTTzKs/DJFkSzHpQFPD/jKKF0TrMxBfGLl3kpdELCNccvB3zmofSzm4nlA==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/@pnpm/config.env-replace": {
       "version": "1.1.0",
@@ -24578,9 +24579,9 @@
       }
     },
     "@openzeppelin/contracts": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-5.2.0.tgz",
-      "integrity": "sha512-bxjNie5z89W1Ea0NZLZluFh8PrFNn9DH8DQlujEok2yjsOlraUPKID5p1Wk3qdNbf6XkQ1Os2RvfiHrrXLHWKA==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-5.3.0.tgz",
+      "integrity": "sha512-zj/KGoW7zxWUE8qOI++rUM18v+VeLTTzKs/DJFkSzHpQFPD/jKKF0TrMxBfGLl3kpdELCNccvB3zmofSzm4nlA==",
       "dev": true
     },
     "@pnpm/config.env-replace": {
diff --git a/package.json b/package.json
index 301f338..8848549 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.2.1",
     "@nomiclabs/hardhat-waffle": "^2.0.3",
-    "@openzeppelin/contracts": "^5.2.0",
+    "@openzeppelin/contracts": "^5.3.0",
     "@stdlib/stats-binomial-test": "^0.0.7",
     "chai": "^4.3.7",
     "ethereum-waffle": "^3.4.4",
diff --git a/test/Marketplace.test.js b/test/Marketplace.test.js
index a6ab152..9904a40 100644
--- a/test/Marketplace.test.js
+++ b/test/Marketplace.test.js
@@ -338,6 +338,7 @@ describe("Marketplace", function () {
           (collateral * config.collateral.repairRewardPercentage) / 100
         )
       await token.approve(marketplace.address, discountedCollateral)
+      await marketplace.reserveSlot(slot.request, slot.index)
       await marketplace.fillSlot(slot.request, slot.index, proof)
       const endBalance = await token.balanceOf(host.address)
       expect(startBalance - endBalance).to.equal(discountedCollateral)
@@ -408,7 +409,7 @@ describe("Marketplace", function () {
       await waitUntilFailed(marketplace, request)
       await expect(
         marketplace.fillSlot(slot.request, slot.index, proof)
-      ).to.be.revertedWith("Marketplace_SlotNotFree")
+      ).to.be.revertedWith("Marketplace_ReservationRequired")
     })
 
     it("is rejected when slot index not in range", async function () {
@@ -563,16 +564,19 @@ describe("Marketplace", function () {
 
   describe("freeing a slot", function () {
     let id
+    let collateral
 
     beforeEach(async function () {
       slot.index = 0
       id = slotId(slot)
+      period = config.proofs.period
+      ;({ periodOf, periodEnd } = periodic(period))
 
       switchAccount(client)
       await token.approve(marketplace.address, maxPrice(request))
       await marketplace.requestStorage(request)
       switchAccount(host)
-      const collateral = collateralPerSlot(request)
+      collateral = collateralPerSlot(request)
       await token.approve(marketplace.address, collateral)
     })
 
@@ -603,6 +607,29 @@ describe("Marketplace", function () {
         .to.emit(marketplace, "SlotFreed")
         .withArgs(slot.request, slot.index)
     })
+
+    it("can reserve and fill a freed slot", async function () {
+      // Make a reservation from another host
+      switchAccount(host2)
+      collateral = collateralPerSlot(request)
+      await token.approve(marketplace.address, collateral)
+      await marketplace.reserveSlot(slot.request, slot.index)
+
+      // Switch host and free the slot
+      switchAccount(host)
+      await waitUntilStarted(marketplace, request, proof, token)
+      await marketplace.freeSlot(id)
+
+      // At this point, the slot should be freed and in a repair state.
+      // Another host should be able to make a reservation for this
+      // slot and fill it.
+      switchAccount(host2)
+      await marketplace.reserveSlot(slot.request, slot.index)
+      let currPeriod = periodOf(await currentTime())
+      await advanceTimeTo(periodEnd(currPeriod) + 1)
+      await token.approve(marketplace.address, collateral)
+      await marketplace.fillSlot(slot.request, slot.index, proof)
+    })
   })
 
   describe("paying out a slot", function () {