diff --git a/lib/depends.c b/lib/depends.c
index e4b6750..5088b9f 100644
--- a/lib/depends.c
+++ b/lib/depends.c
@@ -9,6 +9,7 @@
 
 #include "depends.h"
 #include "al.h"
+#include "rpmhash.h"
 
 #include "debug.h"
 
@@ -477,6 +478,7 @@ rpmDependencyConflict rpmdepFreeConflicts(rpmDependencyConflict conflicts,
 /* Cached rpmdb provide lookup, returns 0 if satisfied, 1 otherwise */
 static
 int dbSatisfiesDepend(rpmTransactionSet ts,
+		hashTable dbProvCache,
 		const char * keyName, const char * keyEVR, int keyFlags)
 {
     rpmdbMatchIterator mi;
@@ -520,6 +522,7 @@ int dbSatisfiesDepend(rpmTransactionSet ts,
  * @return		0 if satisfied, 1 if not satisfied, 2 if error
  */
 static int tsSatisfiesDepend(rpmTransactionSet ts,
+		hashTable dbProvCache,
 		const char * keyType, const char * keyDepend,
 		const char * keyName, const char * keyEVR, int keyFlags)
 	/*@modifies ts @*/
@@ -544,7 +547,7 @@ static int tsSatisfiesDepend(rpmTransactionSet ts,
 	return 0;
     }
 
-    if (dbSatisfiesDepend(ts, keyName, keyEVR, keyFlags) == 0) {
+    if (dbSatisfiesDepend(ts, dbProvCache, keyName, keyEVR, keyFlags) == 0) {
 	rpmMessage(RPMMESS_DEBUG, _("%s: %-45s YES (rpmdb provides)\n"),
 			keyType, keyDepend+2);
 	return 0;
@@ -564,6 +567,7 @@ unsatisfied:
  * @return		0 no problems found
  */
 static int checkPackageDeps(rpmTransactionSet ts, problemsSet psp,
+		hashTable dbProvCache,
 		Header h, const char * keyName)
 	/*@modifies ts, h, psp */
 {
@@ -605,7 +609,7 @@ static int checkPackageDeps(rpmTransactionSet ts, problemsSet psp,
 	keyDepend = printDepend("R",
 		requires[i], requiresEVR[i], requireFlags[i]);
 
-	rc = tsSatisfiesDepend(ts, " Requires", keyDepend,
+	rc = tsSatisfiesDepend(ts, dbProvCache, " Requires", keyDepend,
 		requires[i], requiresEVR[i], requireFlags[i]);
 
 	switch (rc) {
@@ -663,7 +667,7 @@ static int checkPackageDeps(rpmTransactionSet ts, problemsSet psp,
 
 	keyDepend = printDepend("C", conflicts[i], conflictsEVR[i], conflictFlags[i]);
 
-	rc = tsSatisfiesDepend(ts, "Conflicts", keyDepend,
+	rc = tsSatisfiesDepend(ts, dbProvCache, "Conflicts", keyDepend,
 		conflicts[i], conflictsEVR[i], conflictFlags[i]);
 
 	/* 1 == unsatisfied, 0 == satsisfied */
@@ -714,6 +718,7 @@ static int checkPackageDeps(rpmTransactionSet ts, problemsSet psp,
  * @return		0 no problems found
  */
 static int checkDependent(rpmTransactionSet ts, problemsSet psp,
+		hashTable dbProvCache,
 		rpmTag tag, const char * key)
 	/*@modifies ts, psp @*/
 {
@@ -723,7 +728,7 @@ static int checkDependent(rpmTransactionSet ts, problemsSet psp,
     Header h;
     int rc = 0;
     while ((h = rpmdbNextIterator(mi)) != NULL) {
-	if (checkPackageDeps(ts, psp, h, key)) {
+	if (checkPackageDeps(ts, psp, dbProvCache, h, key)) {
 	    rc = 1;
 	    break;
 	}
@@ -749,6 +754,9 @@ int rpmdepCheck(rpmTransactionSet ts,
     *conflicts = NULL;
     *numConflicts = 0;
 
+    /* XXX figure some kind of heuristic for the cache size */
+    hashTable dbProvCache = htCreate(1024, hashFunctionString, hashEqualityString);
+
     /*
      * Look at all of the added packages and make sure their dependencies
      * are satisfied.
@@ -759,12 +767,12 @@ int rpmdepCheck(rpmTransactionSet ts,
 
         rpmMessage(RPMMESS_DEBUG,  "========== +++ %s-%s-%s\n" ,
 		p->name, p->version, p->release);
-	rc = checkPackageDeps(ts, ps, p->h, NULL);
+	rc = checkPackageDeps(ts, ps, dbProvCache, p->h, NULL);
 	if (rc)
 	    goto exit;
 
 	/* Adding: check name against conflicts matches. */
-	rc = checkDependent(ts, ps, RPMTAG_CONFLICTNAME, p->name);
+	rc = checkDependent(ts, ps, dbProvCache, RPMTAG_CONFLICTNAME, p->name);
 	if (rc)
 	    goto exit;
 
@@ -774,7 +782,7 @@ int rpmdepCheck(rpmTransactionSet ts,
 	rc = 0;
 	for (j = 0; j < p->providesCount; j++) {
 	    /* Adding: check provides key against conflicts matches. */
-	    if (!checkDependent(ts, ps, RPMTAG_CONFLICTNAME, p->provides[j]))
+	    if (!checkDependent(ts, ps, dbProvCache, RPMTAG_CONFLICTNAME, p->provides[j]))
 		continue;
 	    rc = 1;
 	    /*@innerbreak@*/ break;
@@ -797,7 +805,7 @@ int rpmdepCheck(rpmTransactionSet ts,
 		name, version, release);
 
 	    /* Erasing: check name against requiredby matches. */
-	    rc = checkDependent(ts, ps, RPMTAG_REQUIRENAME, name);
+	    rc = checkDependent(ts, ps, dbProvCache, RPMTAG_REQUIRENAME, name);
 	    if (rc)
 		goto exit;
 	}
@@ -812,7 +820,7 @@ int rpmdepCheck(rpmTransactionSet ts,
 		rc = 0;
 		for (j = 0; j < providesCount; j++) {
 		    /* Erasing: check provides against requiredby matches. */
-		    if (!checkDependent(ts, ps, RPMTAG_REQUIRENAME, provides[j]))
+		    if (!checkDependent(ts, ps, dbProvCache, RPMTAG_REQUIRENAME, provides[j]))
 			continue;
 		    rc = 1;
 		    /*@innerbreak@*/ break;
@@ -847,7 +855,7 @@ int rpmdepCheck(rpmTransactionSet ts,
 		    *fileName = '\0';
 		    (void) stpcpy( stpcpy(fileName, dirNames[dirIndexes[j]]) , baseNames[j]);
 		    /* Erasing: check filename against requiredby matches. */
-		    if (!checkDependent(ts, ps, RPMTAG_REQUIRENAME, fileName))
+		    if (!checkDependent(ts, ps, dbProvCache, RPMTAG_REQUIRENAME, fileName))
 			continue;
 		    rc = 1;
 		    /*@innerbreak@*/ break;
@@ -872,5 +880,6 @@ int rpmdepCheck(rpmTransactionSet ts,
 exit:
     ps->problems = _free(ps->problems);
     ps = _free(ps);
+    dbProvCache = htFree(dbProvCache, NULL, NULL);
     return rc;
 }